Picornavirus-like crystals in subacute polymyositis.
D000368:Aged; D003882:Dermatomyositis / Q000209:etiology / Q000382:microbiology*; D005260:Female; D006801:Humans; D008297:Male; D008854:Microscopy, Electron; D009132:Muscles / Q000382:microbiology; D010849:Picornaviridae