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When are clinical trials registered? An analysis of prospective versus retrospective registration
BACKGROUND: Due to problems of publication bias and selective reporting, the ICMJE requires prospective registration of all clinical trials with an appropriate registry before the first participant is enrolled. Previous research has shown that not all clinical trials are registered at this time (pro...
| Autores principales: | , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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BioMed Central
2016
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4832501/ https://www.ncbi.nlm.nih.gov/pubmed/27079379 http://dx.doi.org/10.1186/s13063-016-1310-8 |