Factors that can affect the external validity of randomised controlled trials
PLoS Clin Trials
.
2006 May;1(1):e9.
doi: 10.1371/journal.pctr.0010009.
Author
Peter M Rothwell
1
Affiliation
1
Stroke Prevention Research Unit, University Department of Clinical Neurology, Radcliffe Infirmary, Oxford, United Kingdom. peter.rothwell@clneuro.ox.ac.uk
PMID:
16871331
PMCID:
PMC1488890
DOI:
10.1371/journal.pctr.0010009
No abstract available