title: Persistence of the Salmonella typhi-paratyphi carrier state after gallbladder removal.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001659:Biliary Tract / Q000382:microbiology*; D002353:Carrier State; D002763:Cholecystectomy; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012485:Salmonella typhi / Q000302:isolation & purification*