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Youn HJ, Jung SE, Chung WS, Choi MG, Lee KY, Chung KW, Hong SJ, Sun HS.Youn HJ, et al. Among authors: chung ws, chung kw.J Am Soc Echocardiogr. 2002 Dec;15(12):1541-4. doi: 10.1067/mje.2002.128119.J Am Soc Echocardiogr. 2002.PMID: 12464926
Youn HJ, Lee JM, Park CS, Ihm SH, Cho EJ, Jung HO, Jeon HK, Oh YS, Chung WS, Kim JH, Choi KB, Hong SJ.Youn HJ, et al. Among authors: chung ws.J Am Soc Echocardiogr. 2005 Feb;18(2):128-32. doi: 10.1016/j.echo.2004.08.043.J Am Soc Echocardiogr. 2005.PMID: 15682049
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Seung KB, Kim YH, Park DW, Lee BK, Lee CW, Hong MK, Kim PJ, Chung WS, Tahk SJ, Park SW, Park SJ.Seung KB, et al. Among authors: chung ws.J Am Coll Cardiol. 2005 Sep 6;46(5):787-92. doi: 10.1016/j.jacc.2005.06.009.J Am Coll Cardiol. 2005.PMID: 16139126Free article.Clinical Trial.
Youn HJ, Park CS, Cho EJ, Jung HO, Jeon HK, Lee JM, Oh YS, Chung WS, Kim JH, Choi KB, Hong SJ.Youn HJ, et al. Among authors: chung ws.J Am Soc Echocardiogr. 2005 Oct;18(10):1093-8. doi: 10.1016/j.echo.2005.03.042.J Am Soc Echocardiogr. 2005.PMID: 16198887Clinical Trial.
Park CS, Youn HJ, Kim JH, Cho EJ, Jung HO, Jeon HK, Lee JM, Ihm SH, Oh YS, Chung WS, Kim JH, Choi KB, Hong SJ.Park CS, et al. Among authors: chung ws.Int J Cardiol. 2006 Oct 26;113(1):118-20. doi: 10.1016/j.ijcard.2005.08.018. Epub 2005 Nov 28.Int J Cardiol. 2006.PMID: 16310264
Youn HJ, Ihm SH, Lee JM, Park CS, Cho EJ, Jung HO, Jeon HK, Oh YS, Chung WS, Kim JH, Choi KB, Hong SJ.Youn HJ, et al. Among authors: chung ws.J Am Soc Echocardiogr. 2006 Apr;19(4):373-8. doi: 10.1016/j.echo.2005.10.011.J Am Soc Echocardiogr. 2006.PMID: 16581475Clinical Trial.