[Myositic diseases in the differential diagnosis of chronic rheumatic polyarthritis].
D001172:Arthritis, Rheumatoid / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008875:Middle Aged; D009220:Myositis / Q000175:diagnosis*
Myositische Erkrankungen in der Differentialdisgnose der chronisch rheumatischen Polyarthritis.