Evaluating effects of treatment in subgroups of patients within a clinical trial: the case of non-Q-wave myocardial infarction and beta blockers.
作者信息
Yusuf S, Wittes J, Probstfield J
机构信息
Clinical Trials Branch, National Heart, Lung, and Blood Institute, Bethesda, Maryland 20892.
出版信息
Am J Cardiol. 1990 Jul 15;66(2):220-2. doi: 10.1016/0002-9149(90)90592-o.
PMID:1973589
Abstract
摘要
Zotero 插件