1. Brook, R.H., J.E. Ware, W.H. Rogers, et al. 1983. Does free care improve adults’ health?: Results from a randomized controlled trial. New England Journal of Medicine 309:1426–1434.
2. Codman, E.A. 1914. The product of a hospital. Journal of Surgery, Gynecology, and Obstetrics April:491–494.
3. Cooney, J.P. 1972. The community hospital: ambulatory services, statistics, medical care record data. Medical Care 11(2:supplement):158–169.
4. Croog, S.H., S. Levine, M.A. Testa, et al. 1986. The effects of antihypertensive therapy on the quality of life. New England Journal of Medicine 314:1657–1664.
5. Donabedian, A. 1966. Evaluating the quality of medical care. Milbank Memorial Fund Quarterly 44(pt.2):166–203.