Romcea, A., M. Tanţău, A. Seicean, and O. Pascu. “The Etiology Of Upper Gastrointestinal Bleeding In Cirrhototic Patients”. Medicine and Pharmacy Reports, Vol. 86, no. 1, Feb. 2014, pp. 21-23, https://medpharmareports.com/index.php/mpr/article/view/101.