Shin J H, Lee M H, Kim Y H, Kim S W, Kim S W, Cho J H, Park Y J
Department of Otolaryngology-Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea.
Clin Otolaryngol. 2011 Oct;36(5):504-9. doi: 10.1111/j.1749-4486.2011.02346.x.