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Use of placebo controls in the evaluation of surgery: systematic review
Objective To investigate whether placebo controls should be used in the evaluation of surgical interventions. Design Systematic review. Data sources We searched Medline, Embase, and the Cochrane Controlled Trials Register from their inception to November 2013. Study selection Randomised clinical tri...
Autores principales: | , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BMJ Publishing Group Ltd.
2014
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4029190/ https://www.ncbi.nlm.nih.gov/pubmed/24850821 http://dx.doi.org/10.1136/bmj.g3253 |