Serologic relationships of Escherichia coli isolated before and after treatment with chlortetracycline.
D001432:Bacteriology; D002751:Chlortetracycline; D004926:Escherichia coli / Q000187:drug effects*; D006801:Humans; D007422:Intestines / Q000382:microbiology*
D002751:Chlortetracycline
ESCHERICHIA COLI/effect of drugs on; INTESTINES/bacteriology