title: A longitudinal study of Escherichia coli in cows and calves with special reference to the distribution of O-antigen types and antibiotic resistance.
mesh_terms: D000818:Animals; D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D000942:Antigens, Bacterial; D002417:Cattle / Q000382:microbiology*; D004352:Drug Resistance, Microbial; D004926:Escherichia coli / Q000187:drug effects / Q000276:immunology*; D005243:Feces / Q000382:microbiology*; D005260:Female; D006801:Humans
chemical_list: D000900:Anti-Bacterial Agents; D000942:Antigens, Bacterial