1. Recent DRG Refinements;McGuire,1989
2. Case Mix Definitions by Diagnosis-Related Groups;Fetter;Medical Care,1980
3. Development, Testing and Evaluation of a Prospective;Fetter,1981
4. The New ICD-9-CM Diagnosis Related Groups Classification Scheme;Fetter,1984
5. International Comparisons of Hospital Usage - A Study of Nine Countries Based on DRGs;Palmer;Australian Studies in Health Service Administration,1989