title: Fecal elimination of salmonella antigens in typhoid fever. I. An epidemiological survey.
mesh_terms: D000293:Adolescent; D000328:Adult; D000372:Agglutination Tests; D000942:Antigens, Bacterial / Q000032:analysis*; D002648:Child; D002675:Child, Preschool; D005243:Feces / Q000032:analysis* / Q000382:microbiology; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D008800:Mexico; D008875:Middle Aged; D012485:Salmonella typhi / Q000276:immunology*; D014435:Typhoid Fever / Q000453:epidemiology / Q000276:immunology* / Q000382:microbiology
chemical_list: D000942:Antigens, Bacterial