title: Bearers of bacterial burdens.
mesh_terms: D000667:Ampicillin / Q000494:pharmacology; D002353:Carrier State; D004644:Emotions; D006801:Humans; D012482:Salmonella paratyphi A / Q000187:drug effects*; D012485:Salmonella typhi / Q000187:drug effects*
chemical_list: D000667:Ampicillin