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Chen SA, Lee SH, Chiang CE, Tai CT, Wu TJ, Cheng CC, Wen ZC, Chiou CW, Ueng KC, Chang MS.Chen SA, et al. Among authors: chang ms.Circulation. 1996 May 1;93(9):1690-701. doi: 10.1161/01.cir.93.9.1690.Circulation. 1996.PMID: 8653875Clinical Trial.
Yu WC, Chen SA, Tai CT, Feng AN, Chang MS.Yu WC, et al. Among authors: chang ms.Circulation. 1997 Nov 4;96(9):2992-6. doi: 10.1161/01.cir.96.9.2992.Circulation. 1997.PMID: 9386167
Lee SH, Chen SA, Tai CT, Chiang CE, Wen ZC, Cheng JJ, Ding YA, Chang MS.Lee SH, et al. Among authors: chang ms.J Am Coll Cardiol. 1998 Mar 1;31(3):637-44. doi: 10.1016/s0735-1097(97)00530-5.J Am Coll Cardiol. 1998.PMID: 9502647Free article.Clinical Trial.