Metronidazole or vancomycin for Clostridium difficile associated diarrhoea.
D003015:Clostridium Infections / Q000188:drug therapy*; D003967:Diarrhea / Q000188:drug therapy*; D006801:Humans; D008795:Metronidazole / Q000627:therapeutic use*; D014640:Vancomycin / Q000627:therapeutic use*
D008795:Metronidazole; D014640:Vancomycin