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Ethical issues in the design and conduct of cluster randomised controlled trials
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| Autors principals: | , , , |
|---|---|
| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
British Medical Journal
1999
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| Matèries: | |
| Accés en línia: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1115783/ https://ncbi.nlm.nih.gov/pubmed/10334756 |
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