Torres-Díaz DF, Cajamarca-Cárdenas TX, Tapia-Cárdenas JP, Vera-Pulla RD, Sandoya-Maza K. Transvaginal ultrasonography in acute surgical gynecological disease. CEUS. 2022;4(3):13-22. Accessed November 12, 2026. https://ceus.ucacue.edu.ec/index.php/ceus/article/view/135