title: Relapse of pseudomembranous colitis after vancomycin therapy.
mesh_terms: D000284:Administration, Oral; D000368:Aged; D003015:Clostridium Infections / Q000188:drug therapy / Q000209:etiology*; D004761:Enterocolitis, Pseudomembranous / Q000188:drug therapy / Q000209:etiology*; D005260:Female; D006801:Humans; D012008:Recurrence; D014640:Vancomycin / Q000008:administration & dosage*
chemical_list: D014640:Vancomycin