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Yoso Imagawa
Department of Periodontology, School of Dentistry Tokyo Medical and Dental University
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Hitoshi Kawasaki
Department of Periodontology, School of Dentistry Tokyo Medical and Dental University
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Masahiko Sugiyama
Department of Periodontology, School of Dentistry Tokyo Medical and Dental University
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Koichi Hayashi
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Chiyoe Koike
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Haruki Fujimori
Department of Oto-Rhino-Laryngology, School of Medicine Omayama University
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Toru Tanaka
Department of Oto-Rhino-Laryngology, School of Medicine Omayama University
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Nobuyuki Kido
Department of Oto-Rhino-Laryngology, School of Medicine Omayama University