1. Foreign bodies in the air and food passages;Brooks, J.W.;Annals of Surgery,1972
2. Removal of foreign bodies from the tracheobronchial tree;Burrington, J.D.; Cotton, E.K.;Journal of Paediatric Surgery,1972
3. Inhaled foreign bodies in children. An analysis of 40 cases;Davis, C.M.;Archives of Disease in Childhood,1966
4. Peroral Endoscopy and Laryngeal Surgery;Jackson, C.,1915
5. Diseases of the Air and Food Passages of Foreign-body Origin;Jackson, C.; Jackson, C.L.,1936