Kouvaras, S., T. Rokkas, H. Goga, H. Gakiopoulou, P. Arapantoni, G. Haliotis, and D. Mantas. “Multifocal Gastrointestinal Melanoma”. Journal of Gastrointestinal and Liver Diseases, Vol. 28, no. 2, June 2019, pp. 237-40, doi:10.15403/jgld-185.