Cluster randomised trials: useful for interventions delivered to groups: Study design: cluster randomised trials.
作者信息
Hemming Karla, Girling Alan
机构信息
The Institute of Applied Health Research University of Birmingham, Birmingham, UK.
出版信息
BJOG. 2019 Feb;126(3):340. doi: 10.1111/1471-0528.15195. Epub 2018 Jun 19.
PMID:29916210
Abstract
摘要
Zotero 插件