Vălean, S., Armean, P., Resteman, S., Nagy, G., Mureşan, A. and Mircea, P.A. 2008. Cancer Mortality in Romania, 1955-2004. Digestive Sites: Esophagus, Stomach, Colon and Rectum, Pancreas, Liver, Gallbladder and Biliary Tree. Journal of Gastrointestinal and Liver Diseases. 17, 1 (Mar. 2008), 9–14.