Choosing between randomised and non-randomised studies: a systematic review.
作者信息
Britton A, McKee M, Black N, McPherson K, Sanderson C, Bain C
机构信息
London School of Hygiene and Tropical Medicine, University of London, UK.
出版信息
Health Technol Assess. 1998;2(13):i-iv, 1-124.
PMID:9793791
Abstract
摘要
Zotero 插件