1. US Mortality Public Use Data Tapes 1960–1999, US Mortality Volumes 1930–1959. National Center for Health Statistics, Centers for Disease Control and Prevention, 2002
2. Secular trends in the epidemiology and outcome of Barrett's oesophagus in Olmsted County, Minnesota;Conio;Gut,2001
3. Epidemiological differences between adenocarcinoma of the oesophagus and adenocarcinoma of the gastric cardia in the USA;El Serag;Gut,2002
4. American Cancer Society. Cancer Facts & Figures 2004. Available at: www.cancer.org. Accessed January 11, 2004
5. Surveillance, Epidemiology and End Results Program, 1973–2000. Bethesda, MD: Division of Cancer Control and Population Sciences, National Cancer Institute, 2003