R. Lieberman

Johns Hopkins Ambulatory Care Groups (ACGs). A case-mix system for UR, QA and capitation adjustment.

B H Starfield, B. Starfield, J. Weiner, 1992, HMO practice.

The Development of a Risk‐Adjusted Capitation Payment System: The Maryland Medicaid Model

R. Lieberman, J. Folkemer, A. Tucker, 1998, The Journal of ambulatory care management.