Yoshiyuki Kawashima1), Hiroaki Sato2), Makito Okamoto3), Tsutomu Nakashima4), Kazushige Ihara5), Ken Kitamura1)
1)Department of Otolaryngology, Graduate School, Tokyo Medical and Dental University, 2)Department of Otolaryngology, Iwate Medical University, 3)Department of Otolaryngology, Kitasato University, School of Medicine, 4)Department of Otorhinolaryngology, Graduate School, Nagoya University School of Medicine, 5)Department of Public Health, Toho University School of Medicine
AUDIOLOGY JAPAN 49(4): 373-380, 2006.