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A focus group study to understand biases and confounders in a cluster randomized controlled trial on low back pain in primary care in Norway
BACKGROUND: Cluster randomized controlled trials are often used in research in primary care but creates challenges regarding biases and confounders. We recently presented a study on low back pain from primary care in Norway with equal effects in the intervention and the control group. In order to un...
| Autores principales: | , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2018
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5964728/ https://www.ncbi.nlm.nih.gov/pubmed/29788920 http://dx.doi.org/10.1186/s12875-018-0759-9 |