Chicaiza Jacome, Karol Mayte, and Elizabeth Proaño Pérez. “Tumor Marker Analysis in Patients With Gastrointestinal Stromal Tumors GIST”. Salud, Ciencia y Tecnología 3 (August 28, 2023): 524. Accessed September 19, 2025. https://sct.ageditor.ar/index.php/sct/article/view/356.