[Bacteriophage as an aid in epidemiological studies of typhoid fever].
D001435:Bacteriophages; D016021:Epidemiologic Studies; D006801:Humans; D012485:Salmonella typhi; D014435:Typhoid Fever / Q000453:epidemiology*
BACTERIOPHAGE; SALMONELLA TYPHOSA; TYPHOID FEVER/epidemiology
Bacteriofago como ayuda en estudios epidemiologicos en tifoidea.