Lung involvement in polymyositis.
D001706:Biopsy; D003882:Dermatomyositis / Q000150:complications* / Q000188:drug therapy; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008875:Middle Aged; D011241:Prednisone / Q000627:therapeutic use; D011658:Pulmonary Fibrosis / Q000188:drug therapy / Q000209:etiology* / Q000473:pathology
D011241:Prednisone