Drug resistant and bioactive E coli in Beijing.
D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D002681:China; D004926:Escherichia coli / Q000187:drug effects* / Q000502:physiology; D006384:Hemagglutination; D006801:Humans; D011815:R Factors / Q000187:drug effects
D000900:Anti-Bacterial Agents