1. National Cancer Institute's Surveillance, Epidemiology, and End Results database. 2011. Available at: http://seer.cancer.gov/statistics/. Accessed February 4, 2013.
2. National Oesophago-Gastric Cancer Audit. Third Annual Report, 2010 An audit of the care received by patients with Oesophago-Gastric Cancer in England and Wales. https://catalogue.ic.nhs.uk/publications/clinical/oesophago-gastric/nati-clin-audi-supp-prog-oeso-gast-canc-2010/clin-audi-supp-prog-oeso-gast-2010-rep1.pdf. Accessed January 25, 2013.
3. Office for National Statistics. Cancer Survival by Cancer Network, England: Patients diagnosed 1997-2010 and followed up to 2011. http://www.ons.gov.uk/ons/dcp171778_292519.pdf. Accessed January 25, 2013.
4. Watson A, Heading RC, Shepherd NA, et al. A report of the Working Party of the British Society of Gastroenterology. Guidelines for the diagnosis and management of Barrett's columnar-lined esophagus. 2005. http://www.bsg.org.uk/images/stories/docs/clinical/guidelines/oesophageal/Barretts_Oes.pdf. Accessed January 6, 2013.
5. Histological analysis of endoscopic resection specimens from 326 patients with Barrett's esophagus and early neoplasia;Vieth;Endoscopy,2004