3Sackett D L, Haynes R B, Guyatt G H, et al. Clinical epidemiology: a basic science for clinical medicine[M]. 2nd ed. Boston: Little Brown, 1991.1 - 10.
4Evidence-Based Medicine Working Group. Users' guides to the edical iterature[J]. JAMA, 1993, 270: 2093, 2098.
5Evidence-Based Medicine Working Group. Users' guides to the edical iterature[J]. JAMA, 1994, 271 : 59,389,1615.
6Evidence-Based Medicine Working Group. Users' guides to the edical iterature[J]. JAMA, 1995,272:234.
7Lin Guowei. Clinical epidemiology in China[J]. Chin Med J, 1996, 109(2):113- 115.
8Sackett D L, Richardson W S, Rosenberg W, et al. Evidence-based medicine, how to practice and teach EBM[M]. 2nd ed. London: Church Livingst, 2000.1 - 50.
7Poole-Wilson PA,Luben J,Kirwan BA,et al.Effect of long-acting nifedipine on mortality and cardiovascular morbidity in patients with stable angina requiring treatment(ACTION trial):randomized controlled trial[J].Lancet,2004,364(9437):849.
8Brown TR. Handbook of Institutional Pharmacy Practice [ M ]. 4th. Bethesda: american society of health-system pharmacists publication production Center, :2006.
9[6]Furberg CD,Psaty BM,Meyer JV.Nifedipine:dose-related increase in mortality in patients with coronary heart disease[J].Circulation,1995,92 (5):1326.
10[7]Poole-Wilson PA,Luben J,Kirwan BA,et al.Effect of long-acting nifedipine on mortality and cardiovascular morbidity in patients with stable angina requiring treatment (ACTION tri al):randomised controlled trial[J].Lancet,2004,364 (9437):849.
