Echavarría, Héctor Raúl. “Splenic Vein Thrombosis and Gastric Varices. Case Report and Review of the Literature”. Colombia Medica 20, no. 2 (June 30, 1989): 76–77. Accessed December 7, 2025. http://colombiamedica.univalle.edu.co/index.php/comedica/article/view/6253.