1. American Cancer Society. Cancer facts & figures 2013. http://www.cancer.org/acs/groups/content/@epidemiologysurveilance/documents/document/acsps-036845.pdf. Accessed October 2, 2014. http://www.cancer.org/research/cancerfactsstatistics/cancerfactsfigures2013.
2. SIO practice guidelines. Society for Integrative Oncology Web site. http://www.integrativeonc.org/index.php/docguide. Accessed October 2, 2014.
3. Guide for creditable internet information. Society for Integrative Oncology Web site. http://www.integrativeonc.org/index.php/patients/131-guide-for-credible-internet-information. Accessed October 2,2014.