Letter: Use of chloramphenicol.
D002701:Chloramphenicol / Q000627:therapeutic use*; D002771:Cholera / Q000188:drug therapy / Q000517:prevention & control*; D004341:Drug Evaluation; D006801:Humans; D011790:Quarantine; D013752:Tetracycline / Q000627:therapeutic use
D002701:Chloramphenicol; D013752:Tetracycline