References
- Saward EW, Fleming S. Health maintenance organizations. Sci Am 1980: 243(4): 47–53
- Lewis HA. The Kaiser Foundation health plan. J Occup Med 1959: 1(9): 494–6
- A revolutionary plan to keep people healthy. Business Week 1974 Jan 12: 58–60
- Shaping a better future for HMOs. Business Week 1976 Jun 7: 34
- Office of Health Maintenance Organizations. Focus on health maintenance organizations. US Public Health Service 1980 Oct: 3(5): 1
- The HMO approach to health care. Consumer Rep 1982: 47 (5): 246–50
- US Department of Health and Human Services. National HMO census 1981. Bethesda: US Dept of Health and Human Services. 1981 Jun 30: 1; publication No. (HHS) 82–50177
- Cunningham FC. Williamson JW. How does the quality of health care in HMOs compare to that in other settings. Group Health J 1980: 1(1): 4–25
- Proceedings of the House of Delegates. 129th Annual Convention. Chicago: American Medical Assn. 1980 Jul: 133
- National HMO census. Excelsior. MN: InterStudy. 1982 Dec
- US Department of Health and Human Services. Prospectus on HMOs. Bethesda: US Dept of Health and Human Services. 1981 Oct3–6: publication No. (HHS) 82–50180
- HMO enrollment will increase 12% in 1982. Mod Healthcare 1982 Jan: 12 (1): 50