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New placebo-controlled Covid-19 vaccine trials are ethically questionable; it's now about comparative effectiveness and availability of registered vaccines
Gardado en:
| Publicado en: | J Clin Epidemiol |
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| Autor Principal: | |
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado: |
The Author(s). Published by Elsevier Inc.
2021
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| Assuntos: | |
| Acceso en liña: | https://ncbi.nlm.nih.gov/pmc/articles/PMC7962582/ https://ncbi.nlm.nih.gov/pubmed/33741502 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.jclinepi.2021.03.006 |
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