When and how can endpoints be changed after initiation of a randomized clinical trial?
PLoS Clin Trials
.
2007 Apr 13;2(4):e18.
doi: 10.1371/journal.pctr.0020018.
Author
Scott Evans
1
Affiliation
1
Center for Biostatistics in AIDS Research, Department of Biostatistics, Harvard School of Public Health, Harvard University, Boston, Massachusetts, United States of America. evans@sdac.harvard.edu
PMID:
17443237
PMCID:
PMC1852589
DOI:
10.1371/journal.pctr.0020018
No abstract available