1Clarke M. Can you believe what you read in the papers? Trials, 2009, 10:55.
2Wu T, Li Y, Bian Z, et al. Randomized trims published in some Chinese journals: how many are randomized? Trials, 2009, 10:46.
3Begg C, Cho M, Eastwood S, et al. Improving the quality of reporting of randomized controlled trials. The CONSORT statement. JAMA, 1996,276 ( 8 ) :637-639.
4Moher D, Schulz KF, Ahman DG. The CONSORT statement: revised recommendations for improving the quality of reports of parallel-group randomised trials. Lancet, 2001,357 ( 9263 ) : 1191-1194.
5Ahman DG, Schulz KF, Moher D,et al. The revised CONSORT statement for reporting randomized trials: explanation and elaboration. Ann Intern Med,2001,134 ( 8 ) :663-694.
6李立明,主编.流行病学,第6版.北京:人民卫生出版社,2006.128-163.
7Matthews JN, Ahman DG. Statistics notes. Interaction 2: Compare effect sizes not P values. BMJ, 1996,313 (7060) :808.
8Assmann SF, Pocock SJ, Enos LE,et al. Subgroup analysis and other (mis) uses of baseline data in clinical trials. Lancet ,2000, 355 ( 9209 ) : 1064-1069.
9Wallen L, Swahn E, Kontny F, et al. Invasive compared with non-invasive treatment in unstable coronary-artery disease: FRISC Ⅱ prospective randomised multicentre study. FRagmin and Fast Revascularisation during InStability in Coronary artery disease Investigators. Lancet, 1999,354 ( 9180 ) : 708-715.
10Ahman DG, Dore CJ. Randomisation and baseline comparisons in clinical trials. Lancet, 1990,335 ( 8682 ) : 149-153.