title: R factors in bacteria causing asymptomatic urinary infection in antenatal patients.
mesh_terms: D004269:DNA, Bacterial; D004352:Drug Resistance, Microbial; D004755:Enterobacteriaceae / Q000472:pathogenicity*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000209:etiology*; D014552:Urinary Tract Infections / Q000209:etiology*
chemical_list: D004269:DNA, Bacterial