title: Studies on colibacillosis in calves in Egypt II. Incidence of E. coli serogroups among liver calves.
mesh_terms: D000818:Animals; D000831:Animals, Newborn; D002020:Buffaloes / Q000382:microbiology*; D002417:Cattle; D002418:Cattle Diseases / Q000382:microbiology*; D004534:Egypt; D004926:Escherichia coli / Q000145:classification; D004927:Escherichia coli Infections / Q000662:veterinary*; D012703:Serotyping