Ghazi Mohamad, Ramadan, Obaid Samer Raheem, Abdulabbas Hussein Ali, and Al-Hindy Hayder AbdulAmir Makki. “Assessment of Serum Vitamin D in Transfusion-Dependent -Thalassemia Patients: Single-Center Observational Study”. History of Medicine 9, no. 1 (February 28, 2023). Accessed May 2, 2025. https://www.historymedjournal.com/HOM/index.php/medicine/article/view/499.