The virulence of chloramphenicol-resistant S. typhi strains.
D002701:Chloramphenicol / Q000494:pharmacology*; D006801:Humans; D012485:Salmonella typhi / Q000187:drug effects*; D014774:Virulence
D002701:Chloramphenicol
CHLORAMPHENICOL/effects; SALMONELLA TYPHOSA/effect of drugs on