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Shigeo Umezawa
Cardiology, Department of Internal Medicine Tsuchiura Kyodo Hospital Department of Internal Medicine, Yokosuka Kyosai Hospital
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Hiroshi Amemiya
Cardiology, Department of Internal Medicine Tsuchiura Kyodo Hospital
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Hideomi Fujiwara
Cardiology, Department of Internal Medicine Tsuchiura Kyodo Hospital
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Akihiko Nogami
The Second Depa rtment of Internal Medicine, Tokyo Medical and Dental University
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Koichi Taniguchi
The Second Depa rtment of Internal Medicine, Tokyo Medical and Dental University