“The Values Of QT And QTc Dispersion In Children With Congenital Ventricular Septal Defect ”, Ann Med Res , vol. 9, no. 4, pp. 0241–0243, May 2021, Accessed: Oct. 15, 2025. [Online]. Available: http://annalsmedres.org/index.php/aomr/article/view/2937