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Use of primary care electronic medical record database in drug efficacy research on cardiovascular outcomes: comparison of database and randomised controlled trial findings
Objectives To determine whether observational studies that use an electronic medical record database can provide valid results of therapeutic effectiveness and to develop new methods to enhance validity. Design Data from the UK general practice research database (GPRD) were used to replicate previou...
Autores principales: | , , |
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Formato: | Texto |
Lenguaje: | English |
Publicado: |
BMJ Publishing Group Ltd.
2009
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2769067/ https://www.ncbi.nlm.nih.gov/pubmed/19174434 http://dx.doi.org/10.1136/bmj.b81 |