• American Cancer Society
  www.cancer.org
• American Institute for Cancer Research
  www.aicr.org
• American Medical Association
  www.ama-assn.org
• Cancer Research Foundation of America
  www.preventcancer.org

• National Cancer Institute
  www.cancer.gov/
• National Comprehensive Cancer Network (NCCN)
  http://www.nccn.org
• Oncology Nursing Society
  www.ons.org
• Pubmed
  www.ncbi.nlm.nih.gov/pubmed/