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Masaaki MORISHITA
Department of Oral Surgery, Osaka University Dental School
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Masahiko MORI
Department of Oral Surgery, Osaka University Dental School
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Ichiro TAKI
Department of Obsteircs and Gynecology, Osaka University Medical School
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Masanori AKASAKA
Department of Pathology, Kumamoto University School of Medicine
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Tadao TAKEUCHI
Department of Pathology, Kumamoto University School of Medicine