title: Primary Clostridium welchii meningitis.
mesh_terms: D000328:Adult; D003015:Clostridium Infections / Q000175:diagnosis / Q000188:drug therapy; D003016:Clostridium perfringens; D006801:Humans; D008297:Male; D008581:Meningitis / Q000175:diagnosis / Q000188:drug therapy / Q000209:etiology*; D010400:Penicillin G / Q000627:therapeutic use
chemical_list: D010400:Penicillin G