title: Serotypes of Escherichia coli in normal stools.
mesh_terms: D000942:Antigens, Bacterial; D004926:Escherichia coli / Q000302:isolation & purification; D005243:Feces / Q000382:microbiology*; D006801:Humans; D007106:Immune Sera; D012703:Serotyping
chemical_list: D000942:Antigens, Bacterial; D007106:Immune Sera