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Hiroaki SHIINA
The First Department of Internal Medicine, School of Medicine, Gunma University
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Sadao SHIMOYAMA
The First Department of Internal Medicine, School of Medicine, Gunma University
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Toshikazu NEMOTO
The First Department of Internal Medicine, School of Medicine, Gunma University
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Isao KOBAYASHI
The First Department of Internal Medicine, School of Medicine, Gunma University