1. IARC – GLOBOCAN. Oesophageal cancer incidence and mortality worldwide in 2008. Available from: http://globocan.iarc.fr/factsheets/cancers/oesophagus.asp.
2. The multidisciplinary management of gastrointestinal cancer: epidemiology of oesophagogastric cancer;Lambert;Best Pract Res Clin Gastroenterol,2007
3. Cancer esophagus Karachi 1995–2002: epidemiology, risk factors and trends;Bhurgri;J Pak Med Assoc,2004
4. Epidemiology and pathogenesis of esophageal cancer;Holmes;Semin Radiat Oncol,2007
5. The changing epidemiology of esophageal adenocarcinoma;Wei;Semin Gastrointest Dis,2003