Rheumatic manifestations of polymyositis and dermatomyositis.
D001168:Arthritis; D001172:Arthritis, Rheumatoid / Q000175:diagnosis*; D003882:Dermatomyositis / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D009220:Myositis / Q000175:diagnosis*; D017285:Polymyositis
ARTHRITIS, RHEUMATOID/differential diagnosis; DERMATOMYOSITIS/differential diagnosis; MYOSITIS/differential diagnosis