title: Medication bezoar in a neonate.
mesh_terms: D001630:Bezoars / Q000139:chemically induced*; D002411:Cation Exchange Resins / Q000009:adverse effects*; D005769:Gastrointestinal Motility; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000139:chemically induced*; D007475:Ion Exchange Resins / Q000009:adverse effects*; D008297:Male; D011137:Polystyrenes / Q000009:adverse effects*; D013270:Stomach
chemical_list: D002411:Cation Exchange Resins; D007475:Ion Exchange Resins; D011137:Polystyrenes; C003321:polystyrene sulfonic acid