Hasan KM, Mohammad MZ. Prevalence of Pulmonary Hypertension among Patients with β- thalassemia Major in Erbil Province -Iraq. djm [Internet]. 2019 Jun. 13 [cited 2025 Sep. 27];16(2):17-30. Available from: https://www.djm.uodiyala.edu.iq/index.php/djm/article/view/252