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Koo BK, Choi D, Ha JW, Kang SM, Chung N, Cho SY.Koo BK, et al.Echocardiography. 2002 Feb;19(2):153-6. doi: 10.1046/j.1540-8175.2002.00153.x.Echocardiography. 2002.PMID: 11926980Review.
Kang HJ, Kim HS, Zhang SY, Park KW, Cho HJ, Koo BK, Kim YJ, Soo Lee D, Sohn DW, Han KS, Oh BH, Lee MM, Park YB.Kang HJ, et al. Among authors: koo bk.Lancet. 2004 Mar 6;363(9411):751-6. doi: 10.1016/S0140-6736(04)15689-4.Lancet. 2004.PMID: 15016484Clinical Trial.
Kim KI, Bae J, Kang HJ, Koo BK, Youn TJ, Kim SH, Chae IH, Kim HS, Sohn DW, Oh BH, Lee MM, Park YB, Choi YS, Lee DS.Kim KI, et al. Among authors: koo bk.Circ J. 2004 Jun;68(6):532-7. doi: 10.1253/circj.68.532.Circ J. 2004.PMID: 15170087Free article.Clinical Trial.
Koo BK, Lee MM, Oh S, Chae IH, Kim HS, Sohn DW, Oh BH, Park YB, Choi YS, Lee DS.Koo BK, et al.Int J Cardiol. 2004 Jul;96(1):73-7. doi: 10.1016/j.ijcard.2003.07.011.Int J Cardiol. 2004.PMID: 15203264Clinical Trial.
Bae JW, Koo BK, Kim KI, Kang HJ, Cho YS, Youn TJ, Chung WY, Chae IH, Kim HS, Lee MM, Oh BH, Park YB.Bae JW, et al. Among authors: koo bk.Am J Cardiol. 2004 Oct 15;94(8):1061-3. doi: 10.1016/j.amjcard.2004.06.069.Am J Cardiol. 2004.PMID: 15476627
Cho YS, Kim MA, Hwang KK, Koo BK, Oh S, Chae IH, Kim HS, Lee DS, Oh BH, Lee MM, Park YB, Choi YS.Cho YS, et al. Among authors: koo bk.Catheter Cardiovasc Interv. 2004 Nov;63(3):274-81. doi: 10.1002/ccd.20169.Catheter Cardiovasc Interv. 2004.PMID: 15505867