title: Use of a metal detector to track swallowed metal objects.
mesh_terms: D002675:Child, Preschool; D004064:Digestive System; D005260:Female; D005547:Foreign Bodies / Q000175:diagnosis*; D006801:Humans; D008670:Metals; D010372:Pediatrics / Q000295:instrumentation*
chemical_list: D008670:Metals