1. American Cancer Society, California Division and Public Health Institute, California Cancer Registry (2007) California cancer facts and figures 2008. American Cancer Society, California Division, Oakland, CA
2. Kwong SL, Perkins CI, Morris CR, Cohen R, Allen M, Wright WE (2001) Cancer in California: 1988–1999. California Department of Health Services, Cancer Surveillance Section, Sacramento, CA
3. American Cancer Society, California Division and Public Health Institute, California Cancer Registry (2006) California cancer facts and figures 2007. American Cancer Society, California Division, Oakland, CA
4. Harris DH, Bates J, Morris CR, Kwong SL, Wright WE (2005) Female breast cancer in California, 2005. California Department of Health Services, Cancer Surveillance Section, Sacramento, CA
5. Yabroff KR, Warren JL, Brown ML (2007) Costs of cancer care in the USA: a descriptive review. Nat Clin Pract Oncol 4:643–656. doi: 10.1038/ncponc0978