Utilizatin of within-hospital services: a study of the effects of two forms of group practice.
D003120:Colorado; D003365:Costs and Cost Analysis; D005249:Fees and Charges; D006123:Group Practice / Q000191:economics*; D006125:Group Practice, Prepaid; D006746:Hospital Bed Capacity, 500 and over; D006761:Hospitals / Q000706:statistics & numerical data*; D007349:Insurance, Health, Reimbursement; D007902:Length of Stay