[Epidemiologic characterization of typhoid and paratyphoid fever and their prevention].
Wang
D S
DS
D001434:Bacteriophage Typing; D002681:China / Q000453:epidemiology; D006801:Humans; D010284:Paratyphoid Fever / Q000453:epidemiology* / Q000517:prevention & control; D012485:Salmonella typhi / Q000145:classification; D014435:Typhoid Fever / Q000453:epidemiology* / Q000517:prevention & control