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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.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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Ha JW, Chung N, Yoon J, Jang Y, Kim BO, Cho SY, Cho BK.Ha JW, et al.J Am Soc Echocardiogr. 1998 Apr;11(4):393-6. doi: 10.1016/s0894-7317(98)70109-9.J Am Soc Echocardiogr. 1998.PMID: 9571591
Ha JW, Chung N, Cho SY, Kang MS, Cho SH.Ha JW, et al.Clin Cardiol. 1998 Jul;21(7):511-2. doi: 10.1002/clc.4960210711.Clin Cardiol. 1998.PMID: 9669061Free PMC article.No abstract available.
Ha JW, Chung N, Shim WH, Kim YW, Lee DI, Chung BY, Rim SJ, Chang BC, Lee DY.Ha JW, et al.J Am Soc Echocardiogr. 1998 Oct;11(10):992-6. doi: 10.1016/s0894-7317(98)70145-2.J Am Soc Echocardiogr. 1998.PMID: 9804108