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Akihiro TAKEUCHI
Department of Oral Surgery, School of Medicine, Gunma Univ.
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Takashi SHIBA
Department of Oral Surgery, School of Medicine, Gunma Univ.
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Yoji KOIKE
Department of Oral Surgery, School of Medicine, Gunma Univ.
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Noboru MATSUDA
Department of Oral Surgery, School of Medicine, Gunma Univ.