About NAKASHIMA TSUTOMU
About UEDA HIROMI
About MISAWA HAYATO
About ITO AKIHIDE
About TOMINAGA MITSUO
About Audiology Japan
About sudden deafness
About 重症度分類
About Diseases of ear,nose,pharynx and larynx
About 厚生省
About 高度難聴
About 調査
About 研究
About 突発性難聴
About 重症度
About 全国疫学調査
About 解析