Use of the General Practice Research Database (GPRD) for respiratory epidemiology: a comparison with the 4th Morbidity Survey in General Practice (MSGP4)

BACKGROUND—The General Practice Research Database (GPRD) covers over 6% of the population of England and Wales and holds data on diagnoses and prescribing from 1987 onwards. Most previous studies using the GPRD have concentrated on drug use and safety. A study was undertaken to assess the validity o...

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Main Authors: Hansell, A., Hollowell, J., Nichols, T., McNiece, R., Strachan, D.
Formato: Artigo
Idioma:Inglês
Publicado: BMJ Group 1999
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Original Articles
Acceso en liña:https://ncbi.nlm.nih.gov/pmc/articles/PMC1763769/
https://ncbi.nlm.nih.gov/pubmed/10212105
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