1. Diagnosis & Treatment of Mechanical Obstruction of Eustachian Tube;Kim;J Otolaryngol ENT Res 1(1),2014
2. Reciprocal Causal Relationship between Laryngopharyngeal Reflux and Eustachian Tube Obstruction.;Young Kim;J Otolaryngol ENT Res,2015
3. Middle Ear and Mastoid Surgery;S Haberman;Thieme Medical Pub New York USA,2004
4. Tinnitus aurium in normally hearing persons.;Heller;Ann Otol Rhinol Laryngol,1953
5. Drake, Richard LV, Wayne T, Adam WM, Mitchell (2005) Illustrations by Richard; Richardson, Paul Gray's anatomy for students. Elsevier/Churchill Livingstone. Philadelphia, USA, pp. 858.