【作者】Schulz KF, Chalmers I, Hayes RJ, et al.
【文题】Empirical evidence of bias: Dimensions of methodological quality associated with estimates of treatment effects in controlled
trials.
【期刊名,年份,卷(期),起止页码】the Journal of the American medical Association (JAMA) 1995;273:408–12.
【全文链接或数据库名称(pubmed 点击“linkout”)】
http://jama.ama-assn.org/cgi/con ... ;resourcetype=HWCIT
【求助者联系方式】
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