1. Patterns of expenditures among high users of medical care: The experience of Medicare beneficiaries from 1974 to 1977;Anderson;Medical Care,1984
2. Using Diagnoses to Describe Populations and Predict Cost;Ash;Health Care Financing Review,2000
3. Finding Future High-cost Cases: Comparing Prior Cost Versus Diagnostic-based Methods;Ash;Health Services Research,2001
4. The Concentration of Health Care Expenditures, Revisited;Berk;Health Affairs,2001