title: Infectious drug resistance in Escherichia coli isolated from healthy farm animals.
mesh_terms: D000818:Animals; D002417:Cattle; D004352:Drug Resistance, Microbial; D004926:Escherichia coli / Q000187:drug effects* / Q000302:isolation & purification; D005243:Feces / Q000032:analysis; D005502:Food; D012478:Salmonella Food Poisoning / Q000209:etiology*; D013552:Swine