Failure of penicillin in anaerobic necrotizing pneumonia.
D000328:Adult; D001442:Bacteroides Infections / Q000188:drug therapy; D006801:Humans; D008297:Male; D009336:Necrosis; D010400:Penicillin G / Q000008:administration & dosage*; D010403:Penicillin Resistance; D011014:Pneumonia / Q000150:complications / Q000188:drug therapy* / Q000209:etiology
D010400:Penicillin G