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Toyo-oka T, Morita M, Shin WS, Okaimatsuo Y, Sugimoto T.Toyo-oka T, et al. Among authors: shin ws.Jpn Circ J. 1991 Nov;55(11):1124-6. doi: 10.1253/jcj.55.1124.Jpn Circ J. 1991.PMID: 1749070Review.No abstract available.