A Jassam , Maymouna, Najdat S. Mahmood , and Sura Q. Mahmood. “Congenital Heart Disease In Preterm Infants”. Diyala Journal of Medicine 25, no. 2 (December 25, 2023): 180–187. Accessed August 12, 2025. https://www.djm.uodiyala.edu.iq/index.php/djm/article/view/1061.