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Recruitment and retention of participants in clinical studies: Critical issues and challenges
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Wolters Kluwer - Medknow
2020
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7342339/ https://www.ncbi.nlm.nih.gov/pubmed/32670827 http://dx.doi.org/10.4103/picr.PICR_6_20 |