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Sugishita Y, Iida K, Yukisada K, Ito I.Sugishita Y, et al.Br Heart J. 1988 Feb;59(2):244-52. doi: 10.1136/hrt.59.2.244.Br Heart J. 1988.PMID: 2963659Free PMC article.
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Sugishita Y, Iida K, Ohtsuka S, Yamaguchi I.Sugishita Y, et al.Jpn Heart J. 1994 Sep;35(5):577-87. doi: 10.1536/ihj.35.577.Jpn Heart J. 1994.PMID: 7830323Review.