1. 1. National Cancer Institute. SEER Stat Fact Sheet: Thyroid Cancer. Available at: http://seer.cancer.gov/statfacts/html/thyro.html, accessed October 28, 2013.
2. 2. Thyroid Cancer page. National Cancer Institute, Web site. Available at: http://www.cancer.gov/cancertopics/types/thyroid, accessed January 18, 2010.
3. 3. Smith PW, Salomone LJ, et al. Thyroid. Sabiston Textbook of Surgery, 19th ed. Philadelphia: Elsevier Publications; 2012. pp. 904–911; ch. 38.
4. 4. Takiau R, Nadagil D, et al. Projection of no. of cancer cases in India (2010–2011) by cancer group. Asian Pac J Cancer Prev 2010;11(4): 1045–1049.
5. 5. Lee J, Fernades R. Neck masses: evaluation and diagnostic approach. Oral Maxillofac Surg Clin North Am 2008;20(3):321–337. DOI: 10.1016/j.coms.2008.04.001.