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Does size matter? Trial management strategies to increase response rates. The assessment of physical questionnaire size on response rates (APS) sub-study
| Autores principales: | , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
BioMed Central
2015
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4660181/ http://dx.doi.org/10.1186/1745-6215-16-S2-P91 |