1. National Cancer Institute of Canada. Canadian Cancer Statistics 2002. Toronto: National Cancer Institute of Canada, 2002.
2. Gotzsche P C, Olsen O. Is screening for breast cancer with mammography justifiable? Lancet 2000; 355: 129–134.
3. Morrison B J. Screening for breast cancer. Canadian Guide to Preventive Health Care. Health Canada. 1994; 788–795.
4. US Preventive Services Task Force. Screening for Breast Cancer: Recommendations and Rationale. Rockville, MD: Agency for Healthcare Research and Quality, 2002.
5. Cairney J, Arnold R. Social class, health and aging: socioeconomic determinants of self-reported morbidity among the noninstitutionalized elderly in Canada. Can J Public Health 1996; 87: 199–203.