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Influence of surface morphology and internal structure on the mechanical properties and tribological response of Boa Red Tail and Python Regius snake skin. J Mech Behav Biomed Mater 2021; 119:104497. [PMID: 33798935 DOI: 10.1016/j.jmbbm.2021.104497] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Revised: 03/01/2021] [Accepted: 03/22/2021] [Indexed: 10/21/2022]
Abstract
The understanding of the tribological behavior of natural structures has been used as inspiration to design and optimize surfaces for diverse applications in engineering. In the present work, morphological, microstructural, mechanical and tribological characterization of the shed skin of two snake species, namely Boa Red Tail and Python Regius was carried out. Atomic Force Microscopy (AFM) and Scanning Electron Microscopy (SEM) analyses showed the existence of deterministic patterns, i.e., ordered arrays of geometrical features at the surface, while Transmission Electron Microscopy (TEM) allowed studying the internal structure and chemical composition of the skin sheds. Nanoindentation measurements showed significant variations in hardness and elastic modulus from the surface to the inner layers of the skin, and pin-on-disc tests revealed anisotropic behavior of the friction coefficient (COF) as a function of the sliding direction against balsa wood in dry conditions. Correlations between the friction data, nano-indentation mechanical properties and subsurface skin structure were established for both species taking into account the ways in which the skins' deterministic patterns influence the tribological performance.
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Assessment of human lymphocyte proliferation associated with metabolic syndrome. J Endocrinol Invest 2015; 38:1277-82. [PMID: 25981082 DOI: 10.1007/s40618-015-0307-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2015] [Accepted: 05/03/2015] [Indexed: 12/18/2022]
Abstract
BACKGROUND Metabolic syndrome (MetS), a cluster of various metabolic conditions, has become epidemic and causes increased morbidity and mortality. PURPOSE The aim of this study was to compare lymphocyte proliferation under two different stimuli, Concanavalin A (ConA) and insulin, in a group of patients with MetS (Group 1) and a healthy group (Group 2). METHODS Group 1 consisted of 53 patients who met the diagnostic criteria for MetS. Group 2 consisted of 63 patients without MetS. All individuals were evaluated for lipid profile and glycemia. Lymphocyte extraction and culture were performed for each subject and lymphocyte proliferation was assessed using the Alamar blue technique. RESULTS There was no gender difference between both groups, but in terms of age, there was a significant difference. The use of Con A at concentrations of 1 and 5 µg/mL induced a high lymphocyte proliferation in both groups. In contrast, when different concentrations of insulin were added, no significant changes in lymphocyte proliferation were observed. However, the proliferation of lymphocytes was significantly higher in Group 1 compared to Group 2 under insulin stimulus, which did not happen under ConA stimulation. Even after age and gender correction, this difference was maintained. CONCLUSIONS The increased lymphocyte proliferative response to insulin in patients with MetS found in this study suggests a role of the lymphocyte response to insulin in the pathophysiology of MetS. This response may be used as an immuno-biological marker for MetS, although further studies to evaluate its clinical usefulness need to be conducted.
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Swelling Behavior of Poly(N-isopropylacrylamide) Nanogels with Narrow Size Distribution Made by Semi-continuous Inverse Heterophase Polymerization. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2014. [DOI: 10.1080/10601325.2014.893133] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Design configurations affecting flow pattern and solids accumulation in horizontal free water and subsurface flow constructed wetlands. WATER RESEARCH 2013; 47:1448-1458. [PMID: 23286990 DOI: 10.1016/j.watres.2012.12.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2012] [Revised: 12/05/2012] [Accepted: 12/07/2012] [Indexed: 06/01/2023]
Abstract
The aim of this study was to evaluate the effect of different horizontal constructed wetland (CW) design parameters on solids distribution, loss of hydraulic conductivity over time and hydraulic behaviour, in order to assess clogging processes in wetlands. For this purpose, an experimental plant with eight CWs was built at mesocosm scale. Each CW presented a different design characteristic, and the most common CW configurations were all represented: free water surface flow (FWS) with different effluent pipe locations, FWS with floating macrophytes and subsurface flow (SSF), and the presence of plants and specific species (Typha angustifolia and Phragmites australis) was also considered. The loss of the hydraulic conductivity of gravel was greatly influenced by the presence of plants and organic load (representing a loss of 20% and c.a. 10% in planted wetlands and an overloaded system, respectively). Cattail seems to have a greater effect on the development of clogging since its below-ground biomass weighed twice as much as that of common reed. Hydraulic behaviour was greatly influenced by the presence of a gravel matrix and the outlet pipe position. In strict SSF CW, the water was forced to cross the gravel and tended to flow diagonally from the top inlet to the bottom outlet (where the inlet and outlet pipes were located). However, when FWS was considered, water preferentially flowed above the gravel, thus losing half the effective volume of the system. Only the presence of plants seemed to help the water flow partially within the gravel matrix.
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[Calcium transport mechanisms in neuroprotection and neurotoxicity]. Rev Neurol 2010; 51:624-632. [PMID: 21069641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
INTRODUCTION Calcium (Ca²(+)) has been found to be involved in neuroprotective processes, by triggering enzymatic cascades that are essential for the synthesis and functioning of the elements that carry out this process. However, it is paradoxical that this ion is one of the main initiators of apoptotic cascades. This difference in its effects is conditioned by differences in the cytoplasmic concentrations. DEVELOPMENT Ca²(+) plays a role in the activation of antiapoptotic signals in the neuron when its levels rise moderately, but it also starts apoptotic processes that are triggered mainly by its accumulation in mitochondria. This Ca²(+) comes from the outside or from intracellular deposits by means of different types of transporters. In order to assess the role of Ca²(+) in these processes, it is necessary to consider all the means of transport in an integral manner, since manipulating it pharmacologically gives rise to either protective or toxic processes, due to alterations in the intracellular concentrations of the ion. CONCLUSIONS Notable progress has been made in the understanding of the effects of Ca²(+) on the central nervous system and on the mechanisms for controlling and transporting it. It is important to stress that understanding these physiological processes has led to the development of drugs with protective effects and, although most of them are still in the study phase or display important side effects, it remains a promising field that will help in the development of useful therapeutic strategies in neuroprotection.
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Celiac disease associated antibodies in persons with latent autoimmune diabetes of adult and type 2 diabetes. Autoimmunity 2009; 40:103-7. [PMID: 17364501 DOI: 10.1080/08916930601118825] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
BACKGROUND Celiac Disease (CD) is present in 1-16.4% of patients with type 1 diabetes mellitus. The most important serological markers of CD are anti-endomysial (EMA), anti-tissue transglutaminase (tTGA) and antigliadin antibodies (AGA). AIM/HYPOTHESIS The objective of this work is to determine the frequency of tTGA and/or AGA in latent autoimmune diabetes of adult (LADA) and subjects with type 2 diabetes (T2DM), as well as to evaluate their relation with several clinical and biochemical characteristics. SUBJECTS AND METHODS Forty three subjects with LADA and 99 with T2DM were studied. The presence of AGA, tTGA was determined in the sera of these patients. The variables: sex, age, duration of diabetes, treatment, body mass index (BMI) and fasting blood glucose concentration were also recorded. RESULTS No differences were found in the frequency of celiac disease associated antibodies between LADA and T2DM subjects. The presence of celiac disease related antibodies was more frequent in patients with a normal or low BMI. CONCLUSIONS Celiac disease does not seem to be related with pancreatic autoimmunity in type 2 diabetes. Celiac disease causes a decrease of body mass index in type 2 diabetes while pancreatic islet autoimmunity in this entity masks this effect.
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Mechanisms involved in the increase in intracellular calcium following hypotonic shock in bovine articular chondrocytes. Gen Physiol Biophys 2003; 22:487-500. [PMID: 15113121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Abstract
The extracellular osmotic environment of chondrocytes fluctuates during joint loading as fluid is expressed from and reimbibed by the extracellular matrix. Matrix synthesis by chondrocytes is modulated by joint loading, possibly mediated by variations in intracellular composition. The present study has employed the Ca2+-sensitive fluoroprobe Fura-2 to determine the effects of hypotonic shock (HTS) on intracellular Ca2+ concentration ([Ca2+]i) and to characterise the mechanisms involved in the response for isolated bovine articular chondrocytes. In cells subjected to a 50% dilution, [Ca2+]i rapidly increased by approximately 250%, a sustained plateau being achieved within 300 s. The effect was inhibited by thapsigargin or by removal of extracellular Ca2+, indicating that the rise in [Ca2+]i reflects both influx from the extracellular medium and release from intracellular stores. Inhibition of the response by neomycin implicates activation of PLC and IP3 synthesis in the mobilisation of Ca2+ from intracellular stores. The rise was insensitive to inhibitors of L-type voltage-activated Ca2+ channels (LVACC) or reverse mode Na+/Ca2+ exchange (NCE) but could be significantly attenuated by ruthenium red, an inhibitor of transient receptor potential vanilloid (TRPV) channels and by Gd3+, a blocker of stretch-activated cation (SAC) channels. The HTS-induced rise in [Ca2+]i was almost completely absent in cells treated with Ni2+, a non-specific inhibitor of Ca2+ entry pathways. We conclude that in response to HTS the opening of SACC and a member of TRPV channel family leads to Ca2+ influx, simultaneously with the release from intracellular stores.
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Effects of hypotonic shock on intracellular pH in bovine articular chondrocytes. Comp Biochem Physiol A Mol Integr Physiol 2003; 135:575-83. [PMID: 12890547 DOI: 10.1016/s1095-6433(03)00138-7] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Chondrocytes inhabit an unusual environment, in which they are repeatedly subjected to osmotic challenges as fluid is expressed from the extracellular matrix during static joint loading. In the present study, the effects of hypotonic shock on intracellular pH, pH(i), have been studied in isolated bovine articular chondrocytes using the pH-sensitive fluroprobe BCECF. Cells subjected to a 50% dilution rapidly alkalinised, by approximately 0.2 pH units, a sustained plateau being achieved within 300 s. The effect was not altered by inhibitors of pH regulators, such as amiloride, bafilomycin and SITS, but was absent when cells were subjected to hypotonic shocks in solutions in which Na(+) ions were replaced by NMDG(+). The response was found to be sensitive to Gd(3+) ions, blockers of stretch-activated cation channels. Alkalinisation was also inhibited by treatment with Zn(2+) ions, at a concentration reported to block voltage-activated H(+) channels (VAHC). Depolarisation using high K(+) solutions supplemented with valinomycin also induced intracellular alkalinisation. Measurements using a membrane potential (E(m)) fluorescent dye showed that E(m) was approximately -44 mV, but was depolarised by over 50 mV following HTS. The depolarisation was also inhibited by Na(+) substitution with NMDG(+) or treatment with Gd(3+). We conclude that in response to HTS the opening of a stretch-activated cation channel leads to Na(+) influx, which results in a membrane depolarisation. Subsequent activation of VAHC permits H(+) ion efflux along the prevailing electrochemcial gradient, leading to the alkalinisation, which we record.
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Abstract
Biologically active human interferon alpha 2b (HuIFNalpha-2b) was secreted into the culture medium by Streptomyces lividans transformed with recombinant plasmids coding for HuIFNalpha-2b fused to the Streptomyces exfoliatus M11 lipase A signal sequence. Levels were low, 15 or 100 ng/ml, depending on the plasmid used. Neither processed nor unprocessed HuIFNalpha-2b was detected in cell lysates of the transformants secreting the recombinant product. However, the secreted recombinant product was found to partially degrade when cultures reached the stationary phase by the action of an, as yet, unidentified mycelium-associated factor. Experimental evidence suggests that the degrading factor is related to mycelium-associated proteolytic activity.
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[Cardiorespiratory arrest: a rare complication of subdural block]. REVISTA ESPANOLA DE ANESTESIOLOGIA Y REANIMACION 2002; 49:108-11. [PMID: 12025240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
We report a case of accidental subdural block after epidural anesthesia that manifested as cardiac arrest due to extensive spinal blockade 20 minutes after administration of 50 mg of 0.5% bupivacaine. The event resolved without sequelae. Subdural placement of the catheter was verified by computed axial tomography contrast medium. Clinical signs of subdural block are highly variable, extensive neural block being among the possible rare presentations, with latency ranging from a few minutes to as long as 30. Recent electron microscope observations with new methods for fixing and preparing tissues suggest that the dubdural space does not exist naturally, but rather forms artificially within a low-resistance cell plane composed of neurothelial cells, as a result of trauma or the injection of a local anesthetic. The characteristics of the space depend, therefore, on factors that come together at the site. These data explain the great variability in the clinical manifestations of a subdural block. The case of cardiopulmonary arrest we report is rare in the literature.
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[Utility of diagnostic protocols in perioperative allergic reactions]. REVISTA ESPANOLA DE ANESTESIOLOGIA Y REANIMACION 2001; 48:157. [PMID: 11333804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
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Action of ebrotidine, ranitidine and cimetidine on the specific binding to histamine H1- and H2-receptors. ARZNEIMITTEL-FORSCHUNG 1997; 47:447-9. [PMID: 9205741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Ebrotidine (N-[(E)-[[2-[[[2-[(diaminomethylene)-4-thiazolyl]methyl]thio] ethyl]amino]methylene]-4-bromo-benzenesulfonamide, CAS 100981-43-9, FI-3542), a selective H2-receptor antagonist, has proved to competitively inhibit the positive chronotropism induced by histamine in isolated guinea pig atrium. The affinity of ebrotidine to histamine H1- and H2-receptors through the displacement of 3H-pyrilamine and 3H-thiotidine binding to guinea pig cerebellum and brain cortex membranes was investigated. Ebrotidine displaced 3H-thiotidine specific binding to histamine H2-receptors (Ki: 127.5 nmol/l), showing a higher affinity (p < 0.05) than ranitidine (Ki: 190.0 nmol/l) and cimetidine (Ki: 246.1 nmol/l). None of the three substances displaced 3H-pyrilamine binding to H1-receptors (Ki: > 5000 nmol/l). The results showed that ebrotidine is a drug with a high affinity for H2 receptors, higher than cimetidine and ranitidine.
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Activation of a cryptic gene encoding a kinase for L-xylulose opens a new pathway for the utilization of L-lyxose by Escherichia coli. J Biol Chem 1994; 269:29665-9. [PMID: 7961955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
A silent gene encoding a kinase that specifically phosphorylates L-xylulose was activated and rendered constitutive in mutant cells of Escherichia coli. L-Xylulose kinase was purified to homogeneity and found to be a dimer of two subunits of 55 kDa, highly specific for L-xylulose with a Km of 0.8 mM, a Vmax of 33 mumol/min/mg, and an optimum pH of 8.4. Physical (thin layer chromatography) and spectroscopic (nuclear magnetic resonance and optical rotation) characterization of the product of L-xylulose kinase indicated that the enzyme phosphorylated the sugar at position 5. The gene encoding L-xylulose kinase was mapped in the 80.2 min region of the chromosome by conjugation and transduction. Cloning and comparison of the restriction map with the Kohara map (Kohara, Y., Akiyame, K., and Isono, K. (1987) Cell 50, 495-501) located the gene between positions 3963 and 3965 kilobases. The molecular and functional features of L-xylulose kinase together with the location of the corresponding gene indicate that this enzyme did not derive from mutation of any other known kinase. The new kinase opens a route for the utilization of L-lyxose through the action of rhamnose permease, rhamnose isomerase, and the phosphorylation of the L-xylulose formed to L-xylulose 5-phosphate, which is then introduced into the pentose phosphate pathway for subsequent metabolism.
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Activation of a cryptic gene encoding a kinase for L-xylulose opens a new pathway for the utilization of L-lyxose by Escherichia coli. J Biol Chem 1994. [DOI: 10.1016/s0021-9258(18)43932-4] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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16
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[Transitory focal anomaly in the CT of a patient with epileptic seizures]. Neurologia 1992; 7:124-5. [PMID: 1571187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
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17
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[Evaluation of 2 serological techniques in the diagnosis of neurocysticercosis: complement fixation reaction and Western blot]. Enferm Infecc Microbiol Clin 1991; 9:537-42. [PMID: 1822705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Evaluation of two serological techniques for diagnosis cysticercosis: complement fixation reaction and Western blot. Comparative study that includes 49 sera samples and 30 CSF samples belonging to 35 patients with clinical diagnosis of cysticercosis of the CNS. As a control group we used 10 sera samples of patients with Trichinella spiralis infection, 33 sera samples of patients with hydatid cyst disease, 9 sera samples from patients with oxyuriasis, 52 sera samples of healthy blood donors and 22 additional CSF samples from patients with different CNS disorders. Thirty-one samples were positive by Western blot technique and 21 samples by complement fixation reaction technique. Agreement between both techniques was 76%. Gathering clinical and laboratory information we believe that a total of 11 patients had cysticercosis of the CNS (33 samples), and three additional patients remain with indeterminate diagnosis. We have also detected cross-reactions with Western blot techniques (reactivity to more than one band) in 43% of patients with hydatid disease and in 20% of patients with Trichinella spiralis infection, but none in oxyuriasis patients. The CFR technique had cross-reaction with 33% of sera samples from hydatid disease patients and 20% of those from oxyuriasis patients. No cross-reactions were seen in any of control patients with both techniques. The two different techniques tested can be of help, together with clinical and radiology data, in the diagnosis of cysticercosis of the CNS. However, both techniques showed strong cross-reactions with hydatid disease.
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18
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[Spinal conus syndrome as a complication of Neisseria meningitidis meningitis with reduced susceptibility to penicillin]. Neurologia 1990; 5:332-3. [PMID: 2129215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
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[Brucellosis and acute inflammatory polyradiculoneuropathy]. Neurologia 1989; 4:145-7. [PMID: 2627488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Three patients with Guillain-Barré syndrome (GBS) during active brucellosis are reported: in one of them, who had an unfavorable outcome, the clinical features, the neurophysiological studies and the sural nerve biopsy were consistent with the axonal form of GBS. In the remaining two patients, who had a satisfactory course, the neurophysiological studies and the sural nerve biopsy disclosed the demyelinating character of the disease. We agree with other authors that the axonal and demyelinating forms of GBS should be separated, in view of their different clinical and possibly pathogenetic implications, both in GBS in general and in the form associated with brucellosis.
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[Herpetic encephalitis with rhombencephalitis]. Neurologia 1987; 2:176-9. [PMID: 3274124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
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21
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[Sustained hemipiloerection as a manifestation of focal neurologic dysfunction]. Neurologia 1987; 2:128-30. [PMID: 3274224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
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22
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[Chronic progressive polyneuropathy as initial manifestation of solitary osteolytic myeloma]. Neurologia 1987; 2:143-4. [PMID: 2856264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
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23
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[Pituitary apoplexy and ocular murmur]. Neurologia 1987; 2:90-1. [PMID: 3274077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
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24
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[Multicentric glioma: importance of stereotaxic biopsy in the diagnosis of multiple cerebral lesions]. Neurologia 1987; 2:81-5. [PMID: 2856246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
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25
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[Cerebral tuberculoma. Study of 7 cases and review of the literature]. Neurologia 1987; 2:23-9. [PMID: 3078944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
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26
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[Mitochondrial encephalomyopathy. 2 cases with Kearns-Sayre syndrome]. Neurologia 1986; 1:150-3. [PMID: 3274110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
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27
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[Neurobrucellosis. Report of 25 cases]. Neurologia 1986; 1:63-71. [PMID: 3079112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
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