1. National Cancer Institute. Cancer Progress Report 2001 [http://progressreport.cancer.gov, http://progressreport.cancer.gov/index].
2. Canadian Cancer Statistics 2001. Toronto: Canadian Cancer Society; 2001.
3. Canadian Strategy for Cancer Control. Final Report 2001 [http://www.cancercontrol.org].
4. House JS. Work, stress and social support. Reading (MA): Addison-Wesley; 1981.
5. House JS, Kahn RL. Measures and concepts of social support. In: Cohen S, Syme SL, editors. Social support and health. Orlando (FL): Academic Press; 1985. p. 83–108.