[Chronic pneumonias. Comments on 9 cases].
D000328:Adult; D000368:Aged; D002908:Chronic Disease; D005260:Female; D006801:Humans; D007275:Injections, Intravenous; D008297:Male; D008875:Middle Aged; D010406:Penicillins / Q000008:administration & dosage / Q000627:therapeutic use; D011014:Pneumonia / Q000175:diagnosis / Q000188:drug therapy
D010406:Penicillins
Neumonías crónicas. Comentarios sobre nueve observaciones