Mehadi, Yusuf, Etsegenet Gedlu, and Debella Chali. “Pattern of Cardiac Diseases at Pediatric Caridac Clinc of Tikur Anbessa Hospital”. Ethiopian Journal of Pediatrics and Child Health 1, no. 1 (December 23, 2006). Accessed April 28, 2024. https://www.ejpch.net/index.php/ejpch/article/view/16.