1. Cancer Facts & Figures 2016 Atlanta: American Cancer Society 2016 http://www.cancer.org/research/cancerfactsstatistics/cancerfactsfigures2016
2. Howlader N Noone AM Krapcho M et al SEER Cancer Statistics Review, 1975-2012, National Cancer Institute Bethesda, MD 2015 http://seer.cancer.gov/csr/1975_2012/
3. Thyroid Cancer
4. Sarcoma and thyroid disorders: a common etiology?;Merimsky;Oncol Rep,2002