Kouvaras, Stergios, Theodore Rokkas, Helen Goga, Harikleia Gakiopoulou, Petroula Arapantoni, George Haliotis, and Dimitrios Mantas. “Multifocal Gastrointestinal Melanoma”. Journal of Gastrointestinal and Liver Diseases 28, no. 2 (June 1, 2019): 237-240. Accessed August 24, 2019. https://www.jgld.ro/jgld/index.php/jgld/article/view/185.