1. Management of foreign bodies of the upper gastrointestinal tract: update;Webb;Gastrointest Endosc,1995
2. Foreign bodies;Smith;Gastrointest Endosc Clin N Am,2007
3. Gastrointestinal foreign bodies;Chen;Pediatr Ann,2001
4. Management of ingested foreign bodies in children;Dahshan;J Oklahoma State Med Assoc,2001
5. An analysis of foreign body ingestion treatment below the pylorus in children;Wu;Medicine,2017