M. A. . Chan Verdugo, A. . Martínez Flores, V. A. . Patiño Romero, A. E. . Hernández Amaro, E. . Quintero Chávez, and E. E. . Cázarez Echávarri, “Diagnosis and Treatment of Upper Gastrointestinal Bleeding for the Primary Care Physician”, International Journal Of Medical Science And Clinical Research Studies, vol. 2, no. 11, pp. 1313–1316, Nov. 2022.