title: Incompatibility groups of R plasmids in Escherichia coli isolated from animal waste.
mesh_terms: D000818:Animals; D002417:Cattle / Q000382:microbiology; D003227:Conjugation, Genetic; D004926:Escherichia coli / Q000187:drug effects / Q000235:genetics*; D005243:Feces / Q000382:microbiology*; D011815:R Factors; D013552:Swine / Q000382:microbiology