Racial Disparities in Chronic Conditions Outcomes in Primary Care Settings: Between- Versus Within-Practice Differences oleh Grant Martsolf PhD, MPH, RN, FAAN, Do Kyung Kim MPH, RN, Lynette Fair MSN, RN, Jianfang Liu PhD, Haomiao Jia PhD, Kenrick Cato PhD, RN, FAAN, Lusine Poghosyan PhD, MPH, RN, FAAN