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Michiko YAMASHITA
Fukuoka Welfare Center for The Handicapped Department of Otorhinolaryngology, Graduate School of Medicine, Kyushu University
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Yoshio HANAI
Fukuoka Welfare Center for The Handicapped
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Takashi NAKAGAWA
Department of Otorhinolaryngology, Graduate School of Medicine, Fukuoka University
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Shizuo KOMUNE
Department of Otorhinolaryngology, Graduate School of Medicine, Kyushu University