1. The accuracy of medication data in an outpatient electronic medical record;Wagner;J Am Med Inform Assoc,1996
2. Assessing the accuracy of administrative data in health information systems;Peabody;Med Care,2004
3. Validity of code based algorithms to identify primary open angle glaucoma (POAG) in Veterans Affairs (VA) administrative databases;Biggerstaff;Ophthalmic Epidemiol,2017