1. Nasal polyposis, Scott-Brown's Diseases of the Ear, Nose and Throat;Ballantyne,1979
2. Antro-choanal polyp: a 10-year retrospective study in the pediatric population with a review of the literature;Chen;J. Otolaryngol.,1989
3. Dyspnea and dysphagia in a child due to an antrochoanal polyp;Grewal;Auris Nasus Larynx (Japan),1984
4. The origin of choanal polypi;Killian;Lancet,1906
5. Choanal polyp descending into the hypopharynx;Lavetskii;Zh Ushn Nos Gorl Bolezn (USSR),1973