title: Attempts to determine the pathogenicity of avian E. coli strains.
mesh_terms: D000400:Air Sacs / Q000382:microbiology*; D000818:Animals; D002645:Chickens; D004926:Escherichia coli / Q000276:immunology / Q000302:isolation & purification / Q000472:pathogenicity*; D004927:Escherichia coli Infections / Q000662:veterinary; D011201:Poultry Diseases / Q000276:immunology / Q000382:microbiology*; D012703:Serotyping