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2. Center for Medicare & Medicaid Services Physician and Other Medical Provider Grouping and Patient Attribution Methodologies https://www.cms.gov/Medicare/Quality-Initiatives-Patient-Assessment-Instruments/GEM/downloads/GEMMethodologies.pdf
3. Davey , V. J. U. S. Uchendu 2017 Focus on Health Equity and Action: New Vietnam Veteran Studies on Health and Mortality https://www.hsrd.research.va.gov/for_researchers/cyber_seminars/archives/2383-notes.pdf
4. Insights From Advanced Analytics at the Veterans Health Administration;Fihn;Health Affairs,2014
5. Predialysis Nephrology Care Among Older Veterans Using Department of Veterans Affairs or Medicare-Covered Services;Fischer;American Journal of Managed Care,2010