8Evidence-based medicine working group.Evidence-based medicine:a new approach to the teaching of medicine[J]. JAMA,1992,268:5.
9Khtar M,Breithardt G,Camm AJ,et al.CAST and beyond:implication of the cardiac arrhythmia suppression trial[J].Circulation,1990,81:1123-1127.
10The Scandinavian Simvastatin Survival study group.Randomised of cholesterol lowering in 4444 patients with coronary heart disease:The scandinavian simvastatine survival study (4S)[J].Lancet,1994,334:1384-1389.