Journal article
Geographic Variations in Controlled Trials
Abstract
To the Editor: In their exploration of multinational clinical trial analysis, Yusuf and Wittes (Dec. 8 issue)1 appropriately emphasize the necessity of distinguishing true heterogeneity across coun...
Authors
Schwartz AL; Friedman AB
Journal
New England Journal of Medicine, Vol. 376, No. 12, pp. 1196–1198
Publisher
Massachusetts Medical Society
Publication Date
March 23, 2017
DOI
10.1056/nejmc1700529
ISSN
0028-4793