[Analysis of cases and proof of transmission of typhoid in Mexico, in 1975].
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008800:Mexico; D008875:Middle Aged; D014435:Typhoid Fever / Q000453:epidemiology / Q000635:transmission*
Análisis de casos y testigos en transmisión de tifoidea en la ciudad de México, en 1975.