Considering the Control Group: The Influence of Follow-Up Assessments on Asthma Symptoms.
It is unclear whether research participation effects contribute to an improvement in asthma symptoms during clinical trials in the absence of any active intervention. We examined the impact of additional follow-up surveys on caregiver-reported symptoms among control subjects in a series of randomize...
| Publicado en: | Academic Pediatrics Vol. 20; no. 1; pp. 63 - 73 |
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| Autores principales: | , , , , |
| Formato: | research tables/charts Journal Article |
| Publicado: |
Elsevier B.V.
Jan2020
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| Acceso en línea: | Ver este registro en EBSCOhost |