Main characteristics of 17 methodological research projects following studies after approval by a research ethics committee.
收藏数据链接：
官方服务：
资源简介：
*No definite follow-up time predictable, but more than 24 months follow-up from study approval or completion to search for full publication fulfilled.RCT: randomised controlled trial, REC: research ethic committee.Main characteristics of 17 methodological research projects following studies after approval by a research ethics committee.
创建时间：
2015-12-02
