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The relationship between external and internal validity of randomized controlled trials: A sample of hypertension trials from China
OBJECTIVE: To explore the relationship between the external validity and the internal validity of hypertension RCTs conducted in China. METHODS: Comprehensive literature searches were performed in Medline, Embase, Cochrane Central Register of Controlled Trials (CCTR), CBMdisc (Chinese biomedical lit...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Elsevier
2015
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5935827/ https://www.ncbi.nlm.nih.gov/pubmed/29736437 http://dx.doi.org/10.1016/j.conctc.2015.10.004 |