Hasan, Kawa Muhamedamin, and Musaab Zubair Mohammad. “Prevalence of Pulmonary Hypertension Among Patients With β- Thalassemia Major in Erbil Province -Iraq”. Diyala Journal of Medicine 16, no. 2 (June 13, 2019): 17–30. Accessed September 27, 2025. https://www.djm.uodiyala.edu.iq/index.php/djm/article/view/252.