Almarshud, Saad, and Mohd Hanafi Ali. “The Association Between Clinical Signs and Detection of Congenital Heart Disease by Echocardiography in Neonates: Systematic Review”. Journal of Neonatal Surgery 14, no. 32S (July 28, 2025): 6420–6425. Accessed October 14, 2025. https://jneonatalsurg.com/index.php/jns/article/view/8578.