Ozawa Hiroyuki, Fujii Masato, Matsunaga Tatsuo, Masuda Kanako, Hirose Shigemichi, Taiji Hidenobu
Department of Otorhinolaryngology, National Tokyo Medical Center, 2-5-1 Higashigaoka, Meguro-ku, Tokyo 152-8902, Japan.
J Otolaryngol. 2006 Jun;35(3):189-92.