1. Bureau of Labor Statistics, various years, Employee benefits in medium and large firms (U.S. Government Printing Office, Washington, D.C.).
2. The impact of non-IPA HMOs on the number of hospitals and hospital capacity;Chernew;Inquiry,1995
3. Costs and effects of extending health insurance coverage;Congressional Research Service,1988
4. The federal employees health benefits programs: Possible strategies for reform;Congressional Research Service,1989