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Recruitment and retention of urban schoolchildren into a randomized double-blind vitamin D supplementation trial
BACKGROUND: While rarely used for supplementation trials in the U.S., schools present a practical alternative to a clinical setting. PURPOSE: We describe the successful recruitment and retention of urban schoolchildren into a 6-month randomized, double-blind vitamin D(3) supplementation trial. METHO...
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| Publicado no: | Clin Trials |
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| Main Authors: | , , , , , , , , |
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
2014
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4344912/ https://ncbi.nlm.nih.gov/pubmed/25349179 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1177/1740774514556551 |
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