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Ha JW, Kang WC, Chung N, Chang BC, Rim SJ, Kwon JW, Jang Y, Shim WH, Cho SY, Kim SS, Cho SH.Ha JW, et al. Among authors: chang bc.Am J Cardiol. 1999 Jun 1;83(11):1579-82, A8. doi: 10.1016/s0002-9149(99)00156-3.Am J Cardiol. 1999.PMID: 10363879
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Chang BC, Lim SH, Kim DK, Seo JY, Cho SY, Shim WH, Chung N, Kim SS, Cho BK.Chang BC, et al.J Heart Valve Dis. 2001 Mar;10(2):185-194; discussion195.J Heart Valve Dis. 2001.PMID: 11297205
Yoon YW, Choi D, Koo BK, Shim WH, Cho SY, Chang BC.Yoon YW, et al. Among authors: chang bc.Yonsei Med J. 2001 Aug;42(4):436-9. doi: 10.3349/ymj.2001.42.4.436.Yonsei Med J. 2001.PMID: 11519087Free article.