title: Stool survey for Escherichia coli O157:H7.
mesh_terms: D003093:Colitis, Ulcerative / Q000382:microbiology*; D003470:Culture Media; D004926:Escherichia coli / Q000145:classification; D004927:Escherichia coli Infections / Q000175:diagnosis*; D005243:Feces / Q000382:microbiology; D006801:Humans; D012703:Serotyping
chemical_list: D003470:Culture Media