The beginning of antimicrobial therapy: introduction of the sulfonamides and penicillins.
D001424:Bacterial Infections / Q000188:drug therapy*; D004358:Drug Therapy / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D010406:Penicillins / Q000266:history* / Q000627:therapeutic use; D013411:Sulfadiazine / Q000627:therapeutic use; D013449:Sulfonamides / Q000266:history* / Q000627:therapeutic use; D014481:United States
D010406:Penicillins; D013449:Sulfonamides; D013411:Sulfadiazine