Akter, S., Islam, M.T., Karim, T., Alam, M.S., Sultana, T., Aktar, M.M. and Dey, L. 2025. Predictivity of right ventricular outflow tract velocity-time integral in detection of the size of secundum atrial septal defect in children. International Journal of Contemporary Pediatrics. 12, 12 (Nov. 2025), 1916–1921. DOI:https://doi.org/10.18203/2349-3291.ijcp20253772.