1. PPOs — The new delivery system;Arstein-Kerslake;CHA INSIGHT,1986
2. A California weighted hospital input price index;California Health Facilities Commission;CHFC report IV-82-15,1982
3. Hospital fact book;California Hospital Association,1985
4. The relationship of cost to hospital size;Carr;Inquiry,1967
5. A comparison of alternative DRG relative weights for the Medicare prospective payment system;Cotterill;Health Care Financing Review,1986