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Validity of Qualis database as a predictor of evidence hierarchy and risk of bias in randomized controlled trials ‐ a case study in dentistry
OBJECTIVE: To evaluate the validity of the Qualis database in identifying the levels of scientific evidence and the quality of randomized controlled trials indexed in the Lilacs database. METHODS: We selected 40 open‐access journals and performed a page‐by‐page hand search, to identify published art...
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/PMC3059854/ https://www.ncbi.nlm.nih.gov/pubmed/21484055 http://dx.doi.org/10.1590/S1807-59322011000200025 |