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Prevalence of primary outcome changes in clinical trials registered on ClinicalTrials.gov: a cross-sectional study
Background: An important principle in the good conduct of clinical trials is that a summary of the trial protocol, with a pre-defined primary outcome, should be freely available before the study commences. The clinical trials registry ClinicalTrials.gov provides one method of doing this, and once th...
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| Auteurs principaux: | , , , , , , |
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| Format: | Artigo |
| Langue: | Inglês |
| Publié: |
F1000Research
2014
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| Sujets: | |
| Accès en ligne: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4032105/ https://ncbi.nlm.nih.gov/pubmed/25075294 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.12688/f1000research.3784.1 |
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