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To what extent are surgery and invasive procedures effective beyond a placebo response? A systematic review with meta-analysis of randomised, sham controlled trials
OBJECTIVES: To assess the quantity and quality of randomised, sham-controlled studies of surgery and invasive procedures and estimate the treatment-specific and non-specific effects of those procedures. DESIGN: Systematic review and meta-analysis. DATA SOURCES: We searched PubMed, EMBASE, CINAHL, CE...
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/PMC4679929/ https://www.ncbi.nlm.nih.gov/pubmed/26656986 http://dx.doi.org/10.1136/bmjopen-2015-009655 |