About Hirota, Eiko
About Dept. of Otolaryngology, Teikyo University School of Medicine
About Kudo, Taka
About Dept. of Otolaryngology, Teikyo University School of Medicine
About tanaka, Yoshisato
About Dept. of Otolaryngology, Teikyo University School of Medicine
About The Japan Journal of Logopedics and Phoniatrics