Validity of diagnostic coding within the General Practice Research Database: A systematic review
Background The UK-based General Practice Research Database (GPRD) is a valuable source of longitudinal primary care records and is increasingly used for epidemiological research. Aim To conduct a systematic review of the literature on accuracy and completeness of diagnostic coding in the GPRD. Desig...
| Prif Awduron: | , , |
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| Fformat: | Journal article |
| Iaith: | English |
| Cyhoeddwyd: |
2010
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