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Noriko MASUMURA
First Department of Oral Surgery, School of Dentistry, Niigata University
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Yoshio TAKAHASHI
First Department of Oral Surgery, School of Dentistry, Niigata University
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Toshio YOKOBAYASHI
First Department of Oral Surgery, School of Dentistry, Niigata University
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Tamio NAKAJIMA
First Department of Oral Surgery, School of Dentistry, Niigata University