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Gelendi S, Taylor S, D'Aout C, Pitchford C, Coldrick O, Sanchez-Jimenez C, O'Halloran C. Mycobacterium avium infection associated with sterile polyarthritis in a dog. J Small Anim Pract 2021; 63:154-158. [PMID: 34468983 DOI: 10.1111/jsap.13420] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 08/04/2021] [Accepted: 08/06/2021] [Indexed: 01/06/2023]
Abstract
A 1-year-old male neutered Portuguese Podengo dog was presented for lameness, inappetence, pyrexia, diarrhoea and abdominal moderate to severe lymphadenomegaly. Cytology of synovial fluid revealed neutrophilic inflammation in multiple joints suggestive of immune-mediated polyarthritis. Cytology of fine-needle-aspiration material obtained from lymph nodes revealed macrophages with intracytoplasmic, rod-like Ziehl-Neelsen positive staining structures, indicative of mycobacteria. Four-month treatment with enrofloxacin, rifampicin and clarithromycin resulted in clinical improvement and resolution of polyarthritis as evidenced on repeat synoviocentesis, but diarrhoea recurred, Ziehl-Neelsen positive organisms were again found on lymph node cytology and analysis of the 16S rRNA-gene using the Basic Local Alignment Search Tool facility resulted in a match to Mycobacterium avium with 100% sequence identity. Treatment was adjusted to include pradofloxacin, doxycycline, rifampicin and ethambutol and 3 months later the dog is clinically normal. Based on the literature search, this is the first time canine Mycobacterium avium infection associated with immune-mediated polyarthritis is reported. Based on scoping searches, this is the first report of canine Mycobacterium avium infection associated with immune-mediated polyarthritis.
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Affiliation(s)
- S Gelendi
- Department of Internal Medicine, Lumbry Park Veterinary Specialists, Alton, Hampshire, GU34 3HL, UK
| | - S Taylor
- Department of Internal Medicine, Lumbry Park Veterinary Specialists, Alton, Hampshire, GU34 3HL, UK
| | - C D'Aout
- Department of Internal Medicine, Lumbry Park Veterinary Specialists, Alton, Hampshire, GU34 3HL, UK
| | - C Pitchford
- Department of Clinical Pathology, Synlab VPG, Exeter, Devon, EX5 2FN, UK
| | - O Coldrick
- Department of Clinical Pathology, Synlab VPG, Exeter, Devon, EX5 2FN, UK
| | - C Sanchez-Jimenez
- Department of Internal Medicine, Lumbry Park Veterinary Specialists, Alton, Hampshire, GU34 3HL, UK
| | - C O'Halloran
- Division of Infection and Immunity, The Royal (Dick) School of Veterinary Studies, Edinburgh, Midlothian, EH25 9RG, UK
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Kim S, Park HE, Park WB, Kim SY, Park HT, Yoo HS. Mycobacterium avium Modulates the Protective Immune Response in Canine Peripheral Blood Mononuclear Cells. Front Cell Infect Microbiol 2021; 10:609712. [PMID: 33520738 PMCID: PMC7840563 DOI: 10.3389/fcimb.2020.609712] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 11/30/2020] [Indexed: 12/31/2022] Open
Abstract
Mycobacterium avium, an opportunistic intracellular pathogen, is a member of the non-tuberculous mycobacteria species. M. avium causes respiratory disease in immunosuppressed individuals and a wide range of animals, including companion dogs and cats. In particular, the number of infected companion dogs has increased, although the underlying mechanism of M. avium pathogenesis in dogs has not been studied. Therefore, in the present study, the host immune response against M. avium in dogs was investigated by transcriptome analysis of canine peripheral blood mononuclear cells. M. avium was shown to induce different immune responses in canine peripheral blood mononuclear cells at different time points after infection. The expression of Th1-associated genes occurred early during M. avium infection, while that of Th17-associated genes increased after 12 h. In addition, the expression of apoptosis-related genes decreased and the abundance of intracellular M. avium increased in monocyte-derived macrophages after infection for 24 h. These results reveal the M. avium induces Th17 immune response and avoids apoptosis in infected canine cells. As the number of M. avium infection cases increases, the results of the present study will contribute to a better understanding of host immune responses to M. avium infection in companion dogs.
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Affiliation(s)
- Suji Kim
- Department of Infectious Diseases, College of Veterinary Medicine, Seoul National University, Seoul, South Korea
- BK21 FOUR Future Veterinary Medicine Leading Education and Research Center, Seoul National University, Seoul, South Korea
| | - Hyun-Eui Park
- Department of Microbiology, College of Medicine, Gyeongsang National University, Jinju, South Korea
| | - Woo Bin Park
- Department of Infectious Diseases, College of Veterinary Medicine, Seoul National University, Seoul, South Korea
| | - Seo Yihl Kim
- Department of Veterinary Physiology, College of Veterinary Medicine, Seoul National University, Seoul, South Korea
| | - Hong-Tae Park
- Department of Infectious Diseases, College of Veterinary Medicine, Seoul National University, Seoul, South Korea
| | - Han Sang Yoo
- Department of Infectious Diseases, College of Veterinary Medicine, Seoul National University, Seoul, South Korea
- BK21 FOUR Future Veterinary Medicine Leading Education and Research Center, Seoul National University, Seoul, South Korea
- Bio-MAX/N-Bio Institute, Seoul National University, Seoul, South Korea
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3
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Ghielmetti G, Giger U. Mycobacterium avium: an Emerging Pathogen for Dog Breeds with Hereditary Immunodeficiencies. CURRENT CLINICAL MICROBIOLOGY REPORTS 2020; 7:67-80. [PMID: 33842195 DOI: 10.1007/s40588-020-00145-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Purpose of Review Among the nontuberculous mycobacteria (NTM), Mycobacterium avium complex (MAC) is the leading cause of pulmonary disease in humans. Innate and acquired immunodeficiencies have been associated with an increased host susceptibility to NTM infections. The underlying mechanisms predisposing humans and dogs to MAC infections is being elucidated. Recent Findings Although MAC infection is infrequently diagnosed in dogs, a strong breed predisposition particularly for Miniature Schnauzer and Basset Hound dogs is evident. A recessively inherited defect of the adaptor protein CARD9 has recently been documented to be responsible for the increased susceptibility to MAC in the Miniature Schnauzer breed. Summary Given the zoonotic potential of a MAC infected dog particularly to immunocompromised human patients, diseased dogs pose a public health risk. While not a reportable disease, treatment of systemic mycobacteriosis is generally not effective and discouraged in dogs. The collaborative efforts by microbiologists, veterinary clinicians, dog breeders, primary care physicians, and infectious disease specialists applying the One Health approach is therefore crucial for the best management and prevention of MAC infection.
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Affiliation(s)
- Giovanni Ghielmetti
- Institute for Food Safety and Hygiene, Section of Veterinary Bacteriology, University of Zurich, Winterthurerstrasse 270, 8057 Zurich, Switzerland
| | - Urs Giger
- Clinic for Small Animal Internal Medicine, Vetsuisse Faculty, University of Zurich, Winterthurerstrasse 260, 8057 Zürich, Switzerland
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Sharp E, Taylor S, O'Halloran C. Unusual presentation of canine Mycobacterium avium infection. Vet Rec 2019; 184:800. [PMID: 31164481 DOI: 10.1136/vr.105311] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 04/09/2019] [Accepted: 05/03/2019] [Indexed: 01/15/2023]
Abstract
This short communication describes the clinical and morphological findings, diagnosis and treatment of a case of Mycobacterium avium infection in a golden retriever that presented with a progressive nasal swelling and lymphadenopathy. Although well documented in cats, where cutaneous lesions are frequently recognised, canine M avium infection is less commonly reported, and cutaneous lesions are rare. To the authors' knowledge this is the first documented case of canine M avium infection that presented with a cutaneous lesion but no systemic clinical signs. It occurred in a dog with no previously reported breed predisposition and highlights that in cases of cutaneous histiocytic infiltrate in dogs mycobacterial infection should remain a differential diagnosis, even in the absence of suggestive organisms on histopathological examination.
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Affiliation(s)
- Emily Sharp
- Lumbry Park Veterinary Specialists, Alton, UK
| | | | - Conor O'Halloran
- Royal Dick School of Veterinary Studies, University of Edinburgh, Easter Bush, UK.,Roslin Institute, University of Edinburgh, Roslin, UK
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Robveille C, Albaric O, Gaide N, Abadie J. Disseminated mycobacteriosis manifesting as paraplegia in two Parma wallabies (Macropus parma) naturally exposed to Mycobacterium avium. J Vet Diagn Invest 2015; 27:767-71. [PMID: 26450834 DOI: 10.1177/1040638715608897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Two captive female Parma wallabies (Macropus parma) died after a history of flaccid paraplegia. On postmortem examination, granulomatous and suppurative osteomyelitis involving the left ischium and the lumbosacral region, with meningeal extension at the cauda equina, and caseonecrotic mastitis were the most significant changes. Multiple small nodules in the liver and spleen, and an enlargement of some lymph nodes with central caseous necrosis were also observed. Microscopically, a disseminated granulomatous inflammation with numerous multinucleate giant cells was seen. Numerous acid-fast bacilli were detected in macrophages, in multinucleated giant cells, and free in the central necrosis and suppurative exudate. After culture, polymerase chain reaction assays were carried out to detect the 65-kDa heat shock protein (Hsp65) and insertion sequences (IS)1245 and IS900. The causative agent was identified as Mycobacterium avium subsp. avium.
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Affiliation(s)
- Cynthia Robveille
- Department of Pathology (Robveille, Gaide, Abadie), Nantes-Atlantic College of Veterinary Medicine and Food Sciences (ONIRIS), LUNAM University, Site de la Chantrerie, FranceAnimal Models for Comparative Oncology Research (AMaROC; Albaric, Abadie), Nantes-Atlantic College of Veterinary Medicine and Food Sciences (ONIRIS), LUNAM University, Site de la Chantrerie, France
| | - Olivier Albaric
- Department of Pathology (Robveille, Gaide, Abadie), Nantes-Atlantic College of Veterinary Medicine and Food Sciences (ONIRIS), LUNAM University, Site de la Chantrerie, FranceAnimal Models for Comparative Oncology Research (AMaROC; Albaric, Abadie), Nantes-Atlantic College of Veterinary Medicine and Food Sciences (ONIRIS), LUNAM University, Site de la Chantrerie, France
| | - Nicolas Gaide
- Department of Pathology (Robveille, Gaide, Abadie), Nantes-Atlantic College of Veterinary Medicine and Food Sciences (ONIRIS), LUNAM University, Site de la Chantrerie, FranceAnimal Models for Comparative Oncology Research (AMaROC; Albaric, Abadie), Nantes-Atlantic College of Veterinary Medicine and Food Sciences (ONIRIS), LUNAM University, Site de la Chantrerie, France
| | - Jérome Abadie
- Department of Pathology (Robveille, Gaide, Abadie), Nantes-Atlantic College of Veterinary Medicine and Food Sciences (ONIRIS), LUNAM University, Site de la Chantrerie, FranceAnimal Models for Comparative Oncology Research (AMaROC; Albaric, Abadie), Nantes-Atlantic College of Veterinary Medicine and Food Sciences (ONIRIS), LUNAM University, Site de la Chantrerie, France
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de la Fuente C, Pumarola M, Ródenas S, Foradada L, Lloret A, Pérez de Val B, Añor S. Imaging diagnosis-magnetic resonance imaging findings of an intracranial epidural tuberculoma in a dog. Vet Radiol Ultrasound 2012; 53:655-9. [PMID: 22702644 DOI: 10.1111/j.1740-8261.2012.01951.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2012] [Accepted: 04/11/2012] [Indexed: 10/27/2022] Open
Abstract
Magnetic resonance (MR) imaging is highly sensitive for detecting tuberculomas in human patients but the specificity of the MR imaging features is low. Misdiagnosis with intracranial neoplasia is common, especially with dural-based lesions or lesions located in the epidural space. We describe the MR imaging characteristics of an intracranial epidural tuberculoma caused by Mycobacterium tuberculosis infection in a dog. The intracranial mass and skull flat bone lysis and erosion are similar to those described in human caseating tuberculomas and can mimic intracranial neoplastic disease.
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Affiliation(s)
- Cristian de la Fuente
- Departament de Medicina i Cirugia Animal, Universitat Autònoma de Barcelona, Barcelona, Spain
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Campora L, Corazza M, Zullino C, Ebani VV, Abramo F. Mycobacterium avium subspecies hominissuis disseminated infection in a Basset Hound dog. J Vet Diagn Invest 2012; 23:1083-7. [PMID: 21908381 DOI: 10.1177/1040638711418616] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
In the current report, a case in Italy of disseminated Mycobacterium avium subsp. hominissuis infection in a dog from an American lineage of Basset Hounds is described. A 2-year-old intact female Basset Hound presented with persistent lymphadenopathy, lameness, and a history characterized by coccidiosis, bacterial gastroenteritis, and alopecia. Lymphadenitis, with macrophages containing a few intracytoplasmic, negative staining, Ziehl-Neelsen-positive bacilli, was detected by a popliteal fine-needle aspirate leading to the diagnosis of mycobacteriosis. Ultrasound and X-ray examinations revealed visceral and mediastinal lymphadenopathy. Because of the extent of the disease, the dog was humanely euthanized. Significant gross abnormalities, such as enlargement of the cranial mediastinal lymph nodes with encapsulated areas of caseous necrosis and generalized lymphadenopathy, were observed at necropsy. Granulomatous lesions were histopathologically detected in the liver and spleen. Ziehl-Neelsen-positive bacilli were observed in all examined lymph node, liver, spleen, lung, and bone marrow smears. Lymph nodes and liver were collected in order to pursue speciation by bacterial culture and molecular biology; multiplex polymerase chain reaction results classified the pathogen as M. avium subsp. hominissuis. Although an immune system deficiency was not investigated, anamnesis suggests that the dog was immunocompromised. Furthermore, the dog came from an American stock of Basset Hound, and for some of this breed, a predisposition to this infection has been hypothesized.
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Affiliation(s)
- Luca Campora
- Department of Animal Pathology, University of Pisa, viale delle Piagge 2, 56124 Pisa, Italy.
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Affiliation(s)
- A G Gow
- Royal (Dick) School of Veterinary Studies, University of Edinburgh, Hospital for Small Animals, Easter Bush Veterinary Centre, Roslin, Midlothian
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Naughton JF, Mealey KL, Wardrop KJ, Oaks JL, Bradway DS. Systemic Mycobacterium avium infection in a dog diagnosed by polymerase chain reaction analysis of buffy coat. J Am Anim Hosp Assoc 2007; 41:128-32. [PMID: 15767657 DOI: 10.5326/0410128] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Dogs may be infected by Mycobacterium (M.) tuberculosis, M. bovis, and M. avium complex, and the clinical signs associated with each of these infections may be indistinguishable. Rapid speciation of the infecting organism is desirable because of the public health concerns associated with M. bovis and M. tuberculosis infections. A mycobacterial infection was suspected in the dog of this report based on acid-fast staining of organisms in macrophages obtained from liver aspirates and buffy-coat preparations. Polymerase chain reaction (PCR) analysis of a buffy-coat preparation identified M. avium.
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Affiliation(s)
- James F Naughton
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Washington State University, Pullman, Washington 99164-6610, USA>
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O'Toole D, Tharp S, Thomsen BV, Tan E, Payeur JB. Fatal mycobacteriosis with hepatosplenomegaly in a young dog due to Mycobacterium avium. J Vet Diagn Invest 2005; 17:200-4. [PMID: 15825507 DOI: 10.1177/104063870501700220] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Cases of disseminated Mycobacterium avium infections in dogs are rare because it appears that the species is innately resistant to infection. A 2-year-old, castrated, 5 kg Shih Tzu-Poodle-cross developed anemia, abdominal pain, lethargy, and splenomegaly. Histological examination of surgically removed spleen indicated marked granulomatous splenitis with myriad intracytoplasmic acid-fast bacterial rods. Ultrastructural examination revealed the presence of 3-4-microm-long mycobacteria in phagolysosomes of epithelioid macrophages. Tissue extract of lightly fixed spleen was positive for M. avium 16S ribosomal RNA and negative for M. tuberculosis complex IS6110 DNA by polymerase chain reaction testing. Anemia was associated with the presence of mycobacteria-infected macrophages in bone marrow. The animal's condition deteriorated, and euthanasia was performed after a clinical course of 2 months. The principal morphological findings at necropsy were severe diffuse granulomatous hepatitis, enteric lymphadenomegaly, and segmental granulomatous enteritis with intralesional mycobacteria present. Mycobacterium avium was cultured from enteric lymph nodes sampled at necropsy. The source of infection was not established but was presumed to be environmental with an enteric portal of entry.
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Affiliation(s)
- D O'Toole
- Wyoming State Veterinary Laboratory, Laramie, WY 82070, USA
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Turinelli V, Ledieu D, Guilbaud L, Marchal T, Magnol JP, Fournel-Fleury C. Mycobacterium tuberculosis infection in a dog from Africa. Vet Clin Pathol 2005; 33:177-81. [PMID: 15334356 DOI: 10.1111/j.1939-165x.2004.tb00371.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A 4-year-old male Boxer dog with a history of vomiting, diarrhea, and weight loss moved from West Africa to Lyon, France, where it was further evaluated. Radiographs revealed pleural effusion and enlargement of tracheobronchial lymph nodes and liver. Cytologic examination of the pleural effusion and a fine needle aspirate specimen of the liver showed mixed mononuclear inflammation with nonstaining rod structures within epithelioid histiocytes. At necropsy, the main gross pathologic findings were exudative pleuritis, nodular hepatitis, and infarcts and caseous nodules in the kidneys. The main histologic lesions were granulomatous hepatitis, granulomatous pneumonia, fibrinous leukocytic pleuritis, necrotic and fibro-calcified granulomatous lymphadenitis, and granulomatous nephritis. A Ziehl-Neelsen stain applied to both cytologic and histologic samples was positive for acid-fast bacilli. Bacterial culture of the pleural fluid was positive for Mycobacterium tuberculosis. Cytology is a valuable tool in the diagnosis of this important zoonotic disease.
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Affiliation(s)
- V Turinelli
- Laboratoire d'Hématologie-Cytologie-Immunopathologie, Ecole Nationale Vétérinaire de Lyon, France.
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Horn B, Forshaw D, Cousins D, Irwin PJ. Disseminated Mycobacterium avium infection in a dog with chronic diarrhoea. Aust Vet J 2000; 78:320-5. [PMID: 10904815 DOI: 10.1111/j.1751-0813.2000.tb11781.x] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
A 3-year-old Maltese-cross dog presented with a 4-month history of chronic diarrhoea and inappetence. Poorly regenerative anaemia, leukocytosis and hypoproteinaemia were evident on several occasions. Biopsies of stomach, duodenum and colon revealed marked infiltration of mucosae by macrophages containing many acid-fast bacilli. Similar organisms were numerous in a faecal smear. Melaena, hematochezia and severe abdominal pain developed and were unresponsive to therapy. Following euthanasia and necropsy, histiocytic cells containing acid-fast bacilli were found throughout the gastrointestinal tract, mesenteric and peripheral lymph nodes, spleen, liver, kidney and lungs. The organism was identified as Mycobacterium avium by bacterial culture and polymerase chain reaction testing.
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Affiliation(s)
- B Horn
- School of Veterinary Clinical Science, Division of Veterinary and Biomedical Sciences, Murdoch University, Western Australia
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Aranaz A, Liébana E, Mateos A, Dominguez L. Laboratory diagnosis of avian mycobacteriosis. ACTA ACUST UNITED AC 1997. [DOI: 10.1016/s1055-937x(97)80036-9] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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