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Accuracy of diagnostic codes for identifying patients with ulcerative colitis and Crohn’s disease in the Veterans Affairs Health Care System.
BACKGROUND: International Classification of Diseases-9 (ICD-9) codes are useful in clinical research; however, the validity of ICD-9 codes for inflammatory bowel disease (IBD) patients in multiple centers in the Veterans Affairs Health Care Systems (VA) has not been established. Our aim was to deter...
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| Vydáno v: | Dig Dis Sci |
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| Hlavní autoři: | , , , , , , |
| Médium: | Artigo |
| Jazyk: | Inglês |
| Vydáno: |
2014
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| Témata: | |
| On-line přístup: | https://ncbi.nlm.nih.gov/pmc/articles/PMC6907154/ https://ncbi.nlm.nih.gov/pubmed/24817338 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1007/s10620-014-3174-7 |
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