摘要
介绍观察性研究系统评价 /Meta 分析的必要性、方法 ,及其与随机对照试验系统评价 /Meta 分析方法的差别。
The necessity and methods of systematic review or Meta-analysis of observational studies were introduced. The difference between the systematic review or Meta-analysis of observational studies and randomized controlled trials was also described.
出处
《中国循证医学杂志》
CSCD
2004年第5期337-341,共5页
Chinese Journal of Evidence-based Medicine
