title: Qualitative changes of drug resistant bacteria and their conjugative R plasmids isolated in hospitals in Tokyo area.
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D003227:Conjugation, Genetic; D004926:Escherichia coli / Q000187:drug effects / Q000235:genetics*; D004927:Escherichia coli Infections / Q000382:microbiology*; D006801:Humans; D011815:R Factors; D014041:Tokyo
chemical_list: D000900:Anti-Bacterial Agents