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Oral presentation bias: a retrospective cohort study
The aim of this paper was to assess oral presentation bias at a national level. This was a retrospective cohort study with initial characteristics of the approved protocols extracted from the committee's archives, and follow‐up characteristics obtained from a questionnaire mailed to the princip...
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| Main Authors: | , |
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| 格式: | Artigo |
| 語言: | Inglês |
| 出版: |
BMJ Group
2007
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| 主題: | |
| 在線閱讀: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2652905/ https://ncbi.nlm.nih.gov/pubmed/17325393 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1136/jech.2006.048603 |
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