1. et al., editors. SEER cancer statistics review, 1973-1997. Bethedsa: National Cancer Institute, 2000.
2. Sources of health insurance and characteristics of the uninsured: analysis of the March 2000 Current Population Survey. EBRI issue brief no. 228. Washington, D.C.: Employee Benefits Research Institute, 2000.
3. U.S. Census Website. See http://www.census.gov [accessed September 1, 2001].
4. Tumor Biologic Factors and Breast Cancer Prognosis Among White, Hispanic, and Black Women in the United States