Changes in bacterial sensitivity to aureomycin and chloramphenicol in the course of the past three years.
D001419:Bacteria / Q000187:drug effects*; D002701:Chloramphenicol / Q000494:pharmacology*; D002751:Chlortetracycline / Q000494:pharmacology*
D002701:Chloramphenicol; D002751:Chlortetracycline
AUREOMYCIN/effects; BACTERIA/effect of drugs on; CHLORAMPHENICOL/effects