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Comparing recruitment strategies in a study of acupuncture for chronic back pain
BACKGROUND: Meeting recruitment goals is challenging for many clinical trials conducted in primary care populations. Little is known about how the use of different recruitment strategies affects the types of individuals choosing to participate or the conclusions of the study. METHODS: A secondary an...
Autores principales: | , , , , , , |
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Formato: | Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2009
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2774333/ https://www.ncbi.nlm.nih.gov/pubmed/19860906 http://dx.doi.org/10.1186/1471-2288-9-69 |