title: Letter: Wartime penicillin.
mesh_terms: D006069:Gonorrhea / Q000188:drug therapy; D049673:History, 20th Century; D006801:Humans; D008297:Male; D010406:Penicillins / Q000266:history* / Q000600:supply & distribution / Q000627:therapeutic use; D011014:Pneumonia / Q000188:drug therapy; D014857:Warfare
chemical_list: D010406:Penicillins