title: [Rheumatoid arthritis in a patient with polymyositis].
mesh_terms: D000328:Adult; D001172:Arthritis, Rheumatoid / Q000150:complications*; D003882:Dermatomyositis / Q000150:complications* / Q000209:etiology; D004576:Electromyography; D005260:Female; D006801:Humans; D008875:Middle Aged; D009135:Muscular Diseases / Q000150:complications* / Q000209:etiology
vernacular_title: Gościec przewlekły postepujacy u chorej z zapaleniem wielomieśniowym.