About Tsuruta, Yoshihiro
About Department of Otolaryngology, Osaka University, School of Medicine
About Sano, Mitsuhito
About Department of Otolaryngology, Osaka University, School of Medicine
About Matsunaga, Toru
About Department of Otolaryngology, Osaka University, School of Medicine
About Matsunaga, Takashi
About Department of Otolaryngology, Nara Medical University
About Nippon Jibiinkoka Gakkai Kaiho