1. Foreign bodies in the air and food passages. Seventeenth Wherry Memorial Lecture;Hollinger;Trans Am Acad Ophthalmol Otolaryngol,1962
2. Unusual presentations of penetrating foreign bodies of the upper aerodigestive tract;Remsen;Ann Otol Rhinol Laryngol,1983
3. Extra-luminal foreign bodies (coins) in the food and air passages;Yee;Ann Otol,1975
4. Coins in the esophagus: Two for the price of one;Simon;Ann Emerg Med,1981
5. Paradoxical presentation in children of foreign bodies in trachea and esophagus;Goldsher;Practitioner,1978