title: Diagnosis of Salmonella typhi by culture of duodenal string capsule.
mesh_terms: D001431:Bacteriological Techniques; D002214:Capsules; D004386:Duodenum / Q000382:microbiology*; D006801:Humans; D012485:Salmonella typhi / Q000302:isolation & purification*; D014435:Typhoid Fever / Q000175:diagnosis*
chemical_list: D002214:Capsules