[Preventive use of chloromycetin in a focus of typhoid and related observations].
D035843:Biomedical Research; D002701:Chloramphenicol / Q000628:therapy*; D011044:Poland; D014435:Typhoid Fever / Q000517:prevention & control*
D002701:Chloramphenicol
CHLORAMPHENICOL/therapy; TYPHOID/prevention and control