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Takeo MURAI
Dept. of Radiology, School of Medicine, Tokyo Medical and Dental University. [日本]
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Atsushi KIKUCHI
Dept. of Radiology, School of Medicine, Tokyo Medical and Dental University. [日本]
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Tadashi NAKAMURA
Dept. of Radiology, School of Medicine, Tokyo Medical and Dental University. [日本]
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Mamoru ISHIKAWA
Dept. of Public Health, Medical School of Nagoya Univ. [日本]
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Hatsue AoKI
Dental Dept. of the Health-Center of Kisarazu City, Chiba Pref. [日本]
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Masao UEDA
The Institute of Population Problems, Welfare Ministry, Japan. [日本]
