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Ohkubo K, Watanabe I, Okumura Y, Kofune M, Nagashima K, Mano H, Sonoda K, Nakai T, Kasamaki Y, Hirayama A.Ohkubo K, et al. Among authors: watanabe i.J Cardiol. 2012 May;59(3):313-20. doi: 10.1016/j.jjcc.2012.01.018. Epub 2012 Mar 21.J Cardiol. 2012.PMID: 22440686Free article.
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Kofune M, Watanabe I, Ohkubo K, Ashino S, Okumura Y, Nagashima K, Nakai T, Kasamaki Y, Hirayama A.Kofune M, et al. Among authors: watanabe i.Int Heart J. 2010 May;51(3):159-65. doi: 10.1536/ihj.51.159.Int Heart J. 2010.PMID: 20558904Free article.
Ohkubo K, Watanabe I, Okumura Y, Ashino S, Kofune M, Nagashima K, Kofune T, Nakai T, Kunimoto S, Kasamaki Y, Hirayama A.Ohkubo K, et al. Among authors: watanabe i.Int Heart J. 2011;52(2):98-102. doi: 10.1536/ihj.52.98.Int Heart J. 2011.PMID: 21483168Free article.