title: The distribution of R-plasmids in various O-antigen types of Escherichia coli from human sources.
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D000942:Antigens, Bacterial; D004926:Escherichia coli / Q000145:classification / Q000235:genetics*; D005243:Feces / Q000382:microbiology; D006801:Humans; D019081:O Antigens; D011815:R Factors; D012703:Serotyping
chemical_list: D000900:Anti-Bacterial Agents; D000942:Antigens, Bacterial; D019081:O Antigens