1. Measuring differences and similarities in hospital caseloads: a conceptual and empirical analysis;Dayhoff;Health Serv Res,1993
2. Hospital specialization and cost efficiency: benefits of trimming product lines;Eastaugh;Hosp Health Serv Adm,1992
3. Case-mix specialization in the market for hospital services;Farley;Health Serv Res,1990
4. Measuring differences and similarities in hospital caseloads: a conceptual and empirical analysis;Dayhoff;Health Serv Res,1993
5. Differentiation and specialization in the California hospital industry 1983 to 1988;Zwanziger;Med Care,1996