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Cheung YF, Yung TC, Tam SC, Ho MH, Chau AK.Cheung YF, et al. Among authors: yung tc.J Am Coll Cardiol. 2004 Jan 7;43(1):120-4. doi: 10.1016/j.jacc.2003.08.030.J Am Coll Cardiol. 2004.PMID: 14715193