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Sa YJ, Choi SY, Lee JH, Kwon JB, Moon SW, Jo KH, Wang YP, Kim SC, Kim PJ, Jung HO.Sa YJ, et al. Among authors: choi sy.Heart Surg Forum. 2007;10(4):E304-8. doi: 10.1532/HSF98.20071043.Heart Surg Forum. 2007.PMID: 17599880Review.
Wang YP, Choe M, Choi SY, Jin U, Kim CK, Seo EJ, Cho IJ, Park CB.Wang YP, et al. Among authors: choi sy.J Invest Surg. 2009 Mar-Apr;22(2):98-104. doi: 10.1080/08941930802713035.J Invest Surg. 2009.PMID: 19283611