1. Jackson C, Jackson CL (1936) Diseases of the air and food passages of foreign body origin. WB Saunders Company, Philadelphia
2. Song Kee LMW, Topazian M (2015) Gastrointestinal endoscopy. In: Kasper DL, Fauci AS, Hauser SL, Longo DL, Jameson JL, Loscalzo J (eds) Harrison’s principles of internal medicine, 19th edn. McGraw-Hill, NewYork, pp 1880–1900
3. Uyemura MC (2005) Foreign body ingestion in children. Am Fam Physicians 72:287–291
4. Singh RB, Dubey RK, Pandey V, Kumar V, Sharma SP, Annavi B (2014) Foreign bodies in digestive tract of children: a tertiary care hospital experience. Int J Med Public Health 4:463–466
5. Hamilton JK, Polter DE (1993) Gastrointestinal foreign bodies. In: Sliesenger MH, Fordtran JS (eds) Gastrointestinal disease: pathophysiology, diagnosis and management. W.B. Saunders Co., Philadelphia