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Shigeru Asaki
The IIIrd Department of Internal Medicine, Tohoku University
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Osamu Masamune
2nd Department of Internal Medicine, Osaka Medical College
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M. Abe
[in Japanese]
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Hisao Shibata
Department of Internal Medicine, Kitasato University
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Mikio Inoue
Department of Health Care and Administration, School of Medicine, Fukuoka University
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Daisuke Sasaki
1st Department of Internal Medicine, Hirosaki University School of Medicine