[On polymyositis, myositis and dermatomyositis, with report of 4 clinical cases].
D001327:Autoimmune Diseases; D002648:Child; D003882:Dermatomyositis / Q000473:pathology*; D005260:Female; D006801:Humans; D007251:Influenza, Human / Q000150:complications; D009220:Myositis / Q000209:etiology / Q000473:pathology*
Contributo alla conoscenza delle polimiositi, miositi, dermatomiositi, con apporto di 4 osservazioni cliniche.