title: Drug resistance and incompatibility groups of R-plasmids in intestinal Escherichia coli.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D004352:Drug Resistance, Microbial; D004926:Escherichia coli / Q000187:drug effects* / Q000235:genetics; D005260:Female; D006801:Humans; D007410:Intestinal Diseases / Q000382:microbiology; D007422:Intestines / Q000382:microbiology*; D008297:Male; D008875:Middle Aged; D011815:R Factors / Q000187:drug effects*
chemical_list: D000900:Anti-Bacterial Agents