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Evidence for placebo effects on physical but not on biochemical outcome parameters: a review of clinical trials
BACKGROUND: Recent reviews on placebo effects in clinical trials suggest that objective changes following placebo treatments may not exist or, at least, have been considerably overestimated. However, the possibility that yet unidentified subsets of parameters are responsive to placebo treatments has...
| Autores principales: | , , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2007
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1847831/ https://www.ncbi.nlm.nih.gov/pubmed/17371590 http://dx.doi.org/10.1186/1741-7015-5-3 |