1. Health expenditures by age group, 1987;Waldo;Health Care Finan Rev,1989
2. The health sector's share of the gross national product;Fuchs;Science,1990
3. A hard look at cost containment;Ginzberg;N Engl J Med,1987
4. National health expenditures, 1987;Letsch;Health Care Financ Rev,1988
5. Reinhardt UE Could health care swallow us all? Business and Health 1990 47 48