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Limits to clinical trials in surgical areas
Randomized clinical trials are considered to be the gold standard of evidence‐based medicine nowadays. However, it is important that we point out some limitations of randomized clinical trials relating to surgical interventions. There are limitations that affect the external and internal validity of...
Autores principales: | , |
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Formato: | Texto |
Lenguaje: | English |
Publicado: |
Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo
2011
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3044561/ https://www.ncbi.nlm.nih.gov/pubmed/21437453 http://dx.doi.org/10.1590/S1807-59322011000100027 |