D. A. Espinoza Romo, D. J. A. . Peñúñuri Domínguez, D. D. A. Guerra, and D. E. C. Ramírez Ortiz, “Upper Gastrointestinal Bleeding as Presentation of Gastric Gastrointestinal Stromal Tumor: Case Report”, International Journal Of Medical Science And Clinical Research Studies, vol. 6, no. 06, pp. 1181–1183, Jun. 2026.