Is the randomised controlled trial the best?

South African Journal of Obstetrics and Gynaecology

William Edridge¹ 

[1] Editor

关键词: Randomised controlled trial;    Variable;    Outcome;    Meta analysis;    Case-controlled trial;    Bias;    Analysis;    Post-marketing surveillance;   

DOI  :  

学科分类：农业科学（综合）

来源: South African Medical Association

【 摘 要 】

Different study formats are preferred for different research objectives. Randomised controlled trials (RCTs) have a greater ability to test efficacy than other methods, but RCTs can have many limitations. These limitations should be explored, assessed and exposed.

【 授权许可】

Unknown