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Three patients demonstrated inflammatory muscle disease indistinguishable from polymyositis while a fourth patient developed marked weakness associated with a generalized neuropathic process. Muscle enzymes, electromyogram, and muscle biopsy permitted distinction among the different muscle disorders, a distinction that could have prognostic and therapeutic importance.<\/jats:p>","DOI":"10.1002\/art.1780210111","type":"journal-article","created":{"date-parts":[[2007,2,14]],"date-time":"2007-02-14T17:56:10Z","timestamp":1171475770000},"page":"62-71","source":"Crossref","is-referenced-by-count":157,"title":["Muscle disease in progressive systemic sclerosis. diagnostic and therapeutic considerations"],"prefix":"10.1002","volume":"21","author":[{"given":"Philip J.","family":"Clements","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Daniel E.","family":"Furst","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"David S.","family":"Campion","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anthony","family":"Bohan","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Robert","family":"Harris","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Joshua","family":"Levy","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Harold E.","family":"Paulus","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2005,11,23]]},"reference":[{"key":"e_1_2_1_2_2","doi-asserted-by":"publisher","DOI":"10.1056\/NEJM197502132920706"},{"key":"e_1_2_1_3_2","doi-asserted-by":"publisher","DOI":"10.1056\/NEJM197502202920807"},{"key":"e_1_2_1_4_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2133.1957.tb13275.x"},{"key":"e_1_2_1_5_2","first-page":"577","article-title":"The sclerodermic myopathy (clinical, electromyographic and histopathologic aspects)","volume":"18","author":"Pende G","year":"1962","journal-title":"Arch \u201eE. 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