Vălean, Simona, Petru Armean, Simona Resteman, Georgiana Nagy, Adina Mureşan, and Petru A. Mircea. “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, no. 1 (March 1, 2008): 9–14. Accessed August 13, 2026. https://www.jgld.ro/jgld/index.php/jgld/article/view/2008.1.1.