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Effects of placebos without deception compared with no treatment: protocol for a systematic review and meta-analysis
INTRODUCTION: Placebos have long provided a robust control for evaluating active pharmacological preparations, but frequently demonstrate a variable therapeutic effect when delivered in double-blinded placebo-controlled trials. Delivery of placebos as treatment alone has been considered unethical, a...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BMJ Publishing Group
2015
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4663432/ https://www.ncbi.nlm.nih.gov/pubmed/26610763 http://dx.doi.org/10.1136/bmjopen-2015-009428 |