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Park SJ, Kim NK, Kim JO, Yoo BW, Choi JY, Sul JH.Park SJ, et al. Among authors: choi jy.Korean Circ J. 2010 Apr;40(4):191-6. doi: 10.4070/kcj.2010.40.4.191. Epub 2010 Apr 22.Korean Circ J. 2010.PMID: 20421960Free PMC article.
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