title: Reexamination by bacteriophage typing of Clostridium difficile strains isolated during a nosocomial outbreak.
mesh_terms: D001434:Bacteriophage Typing; D003013:Clostridium / Q000145:classification*; D003428:Cross Infection / Q000382:microbiology*; D004761:Enterocolitis, Pseudomembranous / Q000382:microbiology*; D006801:Humans