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Hurley CK, Ng J. Continue to focus clinical decision-making on the antigen recognition domain for the present. Hum Immunol 2019; 80:79-84. [DOI: 10.1016/j.humimm.2018.04.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2018] [Revised: 04/10/2018] [Accepted: 04/15/2018] [Indexed: 02/04/2023]
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Banerjee A, Ng J, Coleman J, Ospina JP, Mealy M, Levy M. Outcomes from acute attacks of neuromyelitis optica spectrum disorder correlate with severity of attack, age and delay to treatment. Mult Scler Relat Disord 2018; 28:60-63. [PMID: 30554039 DOI: 10.1016/j.msard.2018.12.010] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Revised: 12/06/2018] [Accepted: 12/09/2018] [Indexed: 02/05/2023]
Abstract
Neuromyelitis optica spectrum disorder (NMOSD) attacks lead to incremental loss of function of the optic nerves and spinal cord. The standard of care for treatment of acute attacks to mitigate damage is high dose corticosteroids and, if needed, plasma exchange. Although the inclination among clinicians is to treat relapses as soon as they start, there is no previously published evidence to conclude that earlier treatment with corticosteroids is more effective in the long term. In this study, we correlated neurological outcomes from acute NMOSD relapses with delay to treatment, as well as demographic and clinical characteristics that influence prognosis.
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Surrey E, Archer D, Chwalisz K, Gordon K, Ng J, Lessey B. Estradiol Levels are Differentially Suppressed by Elagolix Compared to Leuprolide Acetate. J Minim Invasive Gynecol 2018. [DOI: 10.1016/j.jmig.2018.09.090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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54
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Papandreou A, Rahman S, Fratter C, Ng J, Meyer E, Carr LJ, Champion M, Clarke A, Gissen P, Hemingway C, Hussain N, Jayawant S, King MD, Lynch BJ, Mewasingh L, Patel J, Prabhakar P, Neergheen V, Pope S, Heales SJR, Poulton J, Kurian MA. Correction to: Spectrum of movement disorders and neurotransmitter abnormalities in paediatric POLG disease. J Inherit Metab Dis 2018; 41:1299-1301. [PMID: 30456588 PMCID: PMC6828478 DOI: 10.1007/s10545-018-0247-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Due to a typesetting error the wrong Table 2 was used. The correct Table 2 is shown here.
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Heong V, Lim Y, Lee S, Ow S, Lim S, Ong P, Low J, Ng J, Ilancheran A, Tong P, Lim D, Tan D. Efficacy and tolerability of olaparib in Asian patients with recurrent ovarian, primary peritoneal or fallopian tube carcinoma: The National University Cancer Institute, Singapore experience. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy436.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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56
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Papandreou A, Rahman S, Fratter C, Ng J, Meyer E, Carr LJ, Champion M, Clarke A, Gissen P, Hemingway C, Hussain N, Jayawant S, King MD, Lynch BJ, Mewasingh L, Patel J, Prabhakar P, Neergheen V, Pope S, Heales SJR, Poulton J, Kurian MA. Spectrum of movement disorders and neurotransmitter abnormalities in paediatric POLG disease. J Inherit Metab Dis 2018; 41:1275-1283. [PMID: 30167885 PMCID: PMC6326959 DOI: 10.1007/s10545-018-0227-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 06/15/2018] [Accepted: 06/26/2018] [Indexed: 11/26/2022]
Abstract
OBJECTIVES To describe the spectrum of movement disorders and cerebrospinal fluid (CSF) neurotransmitter profiles in paediatric patients with POLG disease. METHODS We identified children with genetically confirmed POLG disease, in whom CSF neurotransmitter analysis had been undertaken. Clinical data were collected retrospectively. CSF neurotransmitter levels were compared to both standardised age-related reference ranges and to non-POLG patients presenting with status epilepticus. RESULTS Forty-one patients with POLG disease were identified. Almost 50% of the patients had documented evidence of a movement disorder, including non-epileptic myoclonus, choreoathetosis and ataxia. CSF neurotransmitter analysis was undertaken in 15 cases and abnormalities were seen in the majority (87%) of cases tested. In many patients, distinctive patterns were evident, including raised neopterin, homovanillic acid and 5-hydroxyindoleacetic acid levels. CONCLUSIONS Children with POLG mutations can manifest with a wide spectrum of abnormal movements, which are often prominent features of the clinical syndrome. Underlying pathophysiology is probably multifactorial, and aberrant monoamine metabolism is likely to play a role.
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Lazaro A, Hou L, Tu B, Masaberg C, Enriquez E, Gerfen J, Kariyawasam K, Persaud M, Qin X, Simbulan D, Xiao Y, Xun L, Yang R, Ng J, Hurley CK. Full gene HLA class I sequences of 79 novel and 519 mostly uncommon alleles from a large United States registry population. HLA 2018; 92:304-309. [PMID: 30117314 DOI: 10.1111/tan.13377] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Revised: 08/09/2018] [Accepted: 08/13/2018] [Indexed: 12/26/2022]
Abstract
HLA class I assignments were obtained at single genotype, G-level resolution from 98 855 volunteers for an unrelated donor registry in the United States. In spite of the diverse ancestry of the volunteers, over 99% of the assignments at each locus are common. Within this population, 52 novel alleles differing in exons 2 and 3 are identified and characterized. Previously reported alleles with incomplete sequences in the IPD-IMGT/HLA database (n = 519) were selected for full gene sequencing and, from this sampling, another 27 novel alleles are described.
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Surrey E, Archer D, Chwalisz K, Gordon K, Ng J, Lessey B. Estradiol levels are differentially suppressed by elagolix compared to leuprolide acetate. Fertil Steril 2018. [DOI: 10.1016/j.fertnstert.2018.07.054] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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59
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Kennedy T, Sellar PW, Vaideanu-Collins D, Ng J. Two case reports of zoledronic acid-induced uveitis. Age Ageing 2018; 47:754-755. [PMID: 29718071 DOI: 10.1093/ageing/afy070] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Accepted: 04/12/2018] [Indexed: 11/14/2022] Open
Abstract
Zoledronic acid (zoledronate) is a bisphosphonate used predominantly as a second-line treatment for post-menopausal osteoporosis. Its administration is associated with an acute phase reaction. Here, we present two cases of anterior uveitis following initial administration of zoledronate. In the first case, an 80-year-old lady presented with right eye pain and decreased visual acuity 24-hours post-infusion. Uveitis was diagnosed and sub-conjunctival injection of corticosteroids was required. In the second case, a 78-year-old lady presented with right eye pain, vomiting and decreased acuity 24-hours after infusion. She was treated with topical steroids and required cataract surgery to normalise visual acuity. Patients prescribed zoledronate should be warned of the risk of ocular side effects and asked to report promptly for treatment if they develop a red, painful eye or blurred vision.
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Ramasamy A, Ng J, Foin N, Girard M, Dijkstra J, Zanchin T, Crake T, Torii R, Rakhit R, Serruys PW, Raber L, Baumbach A, Mathur A, Bourantas CV. P6496Advantages and limitations of the attenuation-compensated technique in assessing plaque and neointima morphology in optical coherence tomography. Eur Heart J 2018. [DOI: 10.1093/eurheartj/ehy566.p6496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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61
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Vigil-DeGracia P, Ludmir J, Ng J, Reyes-Tejada O, Nova C, Beltré A, Yuen-Chon V, Collantes J, Turcios E, Lewis R, Cabrera S. Is there benefit to continue magnesium sulphate postpartum in women receiving magnesium sulphate before delivery? A randomised controlled study. BJOG 2018; 125:1304-1311. [DOI: 10.1111/1471-0528.15320] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/21/2018] [Indexed: 11/27/2022]
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62
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Tang J, Koh V, Ng J, Low J. Feasibility study and dosimetric evaluation of real time CT-guided intracavitary plus interstitial cervical implantation in an outpatient setting for locally advanced cervical cancer patients. Gynecol Oncol 2018. [DOI: 10.1016/j.ygyno.2018.04.369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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63
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Chew MY, Ng J, Cai HM, Lim TG, Lim TK. The clinical utility of Xpert® MTB/RIF testing in induced sputum. Int J Tuberc Lung Dis 2018; 20:1668-1670. [PMID: 28000587 DOI: 10.5588/ijtld.16.0123] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
We performed a prospective clinical audit in hospitalised patients with suspected pulmonary tuberculosis (PTB) with the objective of evaluating the accuracy and clinical utility of Xpert® MTB/RIF in induced sputum in an intermediate-burden setting. Of 450 patients audited, 61 (13.6%) were diagnosed with PTB based on positive culture. The sensitivity, specificity and positive and negative predictive values for Xpert in smear-negative cases for induced sputum were respectively 75%, 99.5%, 94.7% and 97.0%. Xpert in induced sputum may facilitate diagnostic yield and expedite treatment in up to a quarter of PTB patients.
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Hurley CK, Hou L, Lazaro A, Gerfen J, Enriquez E, Galarza P, Rodriguez Cardozo MB, Halagan M, Maiers M, Behm D, Ng J. Next generation sequencing characterizes the extent of HLA diversity in an Argentinian registry population. HLA 2018; 91:175-186. [DOI: 10.1111/tan.13210] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2017] [Revised: 12/22/2017] [Accepted: 01/09/2018] [Indexed: 01/11/2023]
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65
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Maggiore P, Bellinge J, Chieng D, White D, Lan N, Jaltotage B, Ali U, Gordon M, Chung K, Stobie P, Ng J, Hankey G, McQuillan B. Ischaemic Stroke and the Echo ‘Bubble Study’: Are we Screening the Right Patients? A Multicentre Experience from Western Australia. Heart Lung Circ 2018. [DOI: 10.1016/j.hlc.2018.06.463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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66
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Chieng D, Maggiore P, Stanborough H, Ng J. Incidence, Causes, and Outcomes of Biventricular Pacing Loss in Patients with Cardiac Resynchronisation Therapy. Heart Lung Circ 2018. [DOI: 10.1016/j.hlc.2018.06.287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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67
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Ganschow R, Ericzon BG, Dhawan A, Sharif K, Martzloff ED, Rauer B, Ng J, Lopez P. Everolimus and reduced calcineurin inhibitor therapy in pediatric liver transplant recipients: Results from a multicenter, prospective study. Pediatr Transplant 2017; 21. [PMID: 28714558 DOI: 10.1111/petr.13024] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 06/08/2017] [Indexed: 12/31/2022]
Abstract
In a 24-month, multicenter, single-arm, prospective study, 56 pediatric liver transplant patients with or without basiliximab induction were converted at 1-6 months post-transplant from standard calcineurin inhibitor (CN) therapy (± mycophenolic acid), to everolimus with reduced exposure to CNI (tacrolimus n=50, cyclosporine n=6). Steroid therapy was optional. Recruitment was stopped prematurely due to high rates of PTLD, treatment-related serious infections leading to hospitalization and premature study drug discontinuation. Subsequently, patients aged <7 years reverted to local standard-of-care immunosuppression. Mean tacrolimus concentration was above or near the upper end of the maintenance target range (2-5 ng/mL) until after month 6 post-enrollment. The primary variable, mean (SD) change in eGFR from baseline to month 12 (last observation carried forward), was +6.2 (19.5) mL/min/1.73 m2 . Two patients experienced treated biopsy-proven acute rejection. No graft losses or deaths occurred. PTLD occurred in five patients (8.9%) (3/25 [12.0%] patients <2 years, 2/31 aged 2-18 years [6.5%]). Adverse events, serious adverse events, and discontinuation due to adverse events were reported in 100.0%, 76.8%, and 44.6% of patients, respectively. In conclusion, everolimus with reduced CNI improved renal function while maintaining antirejection potency in pediatric liver transplant patients but safety outcomes suggest that patients were overimmunosuppressed.
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Ng J, Sutherland C, Kolber MR. Does evidence support supervised injection sites? CANADIAN FAMILY PHYSICIAN MEDECIN DE FAMILLE CANADIEN 2017; 63:866. [PMID: 29138158 PMCID: PMC5685449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
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69
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Ng J, Sheldon R, Ritchie D, Raj V, Raj S. VASOVAGAL SYNCOPE PATIENTS HAVE A REDUCED QUALITY OF LIFE AND GREATER PSYCHOLOGICAL DISTRESS COMPARED TO HEALTHY SUBJECTS. Can J Cardiol 2017. [DOI: 10.1016/j.cjca.2017.07.290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Ng J, Golden E, Khani J, Buonanno M, Ouyeng M, Stuff D, Khani J, Shen W, Grilj V, Harken A, Shuryak I, Brenner D, Formenti S. High Linear Energy Transfer Particle Irradiation Leads to Increased Expression of In Vitro Markers of Immunogenic Cell Death. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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71
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Kanthaswamy S, Ng J, Oldt RF, Valdivia L, Houghton P, Smith DG. ABO blood group phenotype frequency estimation using molecular phenotyping in rhesus and cynomolgus macaques. HLA 2017; 90:295-299. [PMID: 28800212 DOI: 10.1111/tan.13118] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Revised: 07/19/2017] [Accepted: 08/07/2017] [Indexed: 01/25/2023]
Abstract
A much larger sample (N = 2369) was used to evaluate a previously reported distribution of the A, AB and B blood group phenotypes in rhesus and cynomolgus macaques from six different regional populations. These samples, acquired from 15 different breeding and research facilities in the United States, were analyzed using a real-time quantitative polymerase chain reaction (qPCR) assay that targets single nucleotide polymorphisms (SNPs) responsible for the macaque A, B and AB phenotypes. The frequency distributions of blood group phenotypes of the two species differ significantly from each other and significant regional differentiation within the geographic ranges of each species was also observed. The B blood group phenotype was prevalent in rhesus macaques, especially those from India, while the frequencies of the A, B and AB phenotypes varied significantly among cynomolgus macaques from different geographic regions. The Mauritian cynomolgus macaques, despite having originated in Indonesia, showed significant (P ≪ .01) divergence from the Indonesian animals at the ABO blood group locus. Most Mauritian animals belonged to the B blood group while the Indonesian animals were mostly A. The close similarity in blood group frequency distributions between the Chinese rhesus and Indochinese cynomolgus macaques demonstrates that the introgression between these two species extends beyond the zone of intergradation in Indochina. This study underscores the importance of ABO blood group phenotyping of the domestic supply of macaques and their biospecimens.
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Chakrabarti-Bell S, Patel M, Ng J, Hawkins W. On the use of low protein flours and ‘smart’ sheeting lines for making bakery products. J FOOD ENG 2017. [DOI: 10.1016/j.jfoodeng.2017.04.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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73
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Lazaro-Shiben AM, Hou L, Enriquez E, Gerfen J, Ng J, Galarza PE, Rodriguez Cardozo MB, Bacque MC, Hurley CK. P081 Intron variation: The new allele pattern of 66 novel HLA class I alleles. Hum Immunol 2017. [DOI: 10.1016/j.humimm.2017.06.141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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74
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Heong V, Lim D, Tan T, Ye J, Lim Y, Lim S, Ng J, Ilancheran A, Loh J, Soong R, SP. Tan D, Huang R. Prognostic relevance of immune-related gene expression signatures (irGES) in patients (pts) with ovarian clear cell carcinomas (OCCC). Ann Oncol 2017. [DOI: 10.1093/annonc/mdx372.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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75
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Yuk K, Ming Ma H, Au K, Leung M, Ng J, Cheng H, Yin Yung S, Hui E. ADHERENCE TO ADVANCE CARE PLAN IN AN ENDOF-LIFE PROGRAM FOR ELDERLY FROM NURSING HOMES IN HONG KONG. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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