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Sharp GC, Irvin WS, Tan EM, Gould RG, Holman HR. Mixed connective tissue disease-an apparently distinct rheumatic disease syndrome associated with a specific antibody to an extractable nuclear antigen (ENA). Am J Med 52: 148-159, 1972.","DOI":"10.1016\/0002-9343(72)90064-2"},{"key":"2","doi-asserted-by":"crossref","first-page":"1040","DOI":"10.1093\/rheumatology\/41.9.1040","volume":"41","author":"P Coppo","year":"2002","unstructured":"2. Coppo P, Clauvel JP, Bengoufa D, Oksenhendler E, Lacroix C, Lassoued K. Inflammatory myositis associated with anti-U1-small nuclear ribonucleoprotein antibodies: a subset of myositis associated with a favourable outcome. Rheumatology (Oxford, England) 41: 1040-1046, 2002.","journal-title":"Rheumatology","ISSN":"https:\/\/id.crossref.org\/issn\/1460-2172","issn-type":"print"},{"key":"3","doi-asserted-by":"crossref","unstructured":"3. Lundberg I, Nennesmo I, Hedfors E. 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Tasca G, Mirabella M, Berrettini A, Monforte M, Tonali PA, Ricci E. Mixed connective tissue disease presenting as a peculiar myositis with poor muscle regeneration. Neurol Sci 32: 171-174, 2011.","DOI":"10.1007\/s10072-010-0423-1"},{"key":"8","doi-asserted-by":"crossref","unstructured":"8. Bohan A, Peter JB. Polymyositis and dermatomyositis (first of two parts). N Engl J Med 292: 344-347, 1975.","DOI":"10.1056\/NEJM197502132920706"},{"key":"9","doi-asserted-by":"crossref","unstructured":"9. Bohan A, Peter JB. Polymyositis and dermatomyositis (second of two parts). N Engl J Med 292: 403-407, 1975.","DOI":"10.1056\/NEJM197502202920807"},{"key":"10","unstructured":"10. Lundberg IE, Tjarnlund A, Bottai M, et al. 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