Correlation Between Adherence to Iron Chelation Therapy and Serum Ferritin Levels in Patients with Thalassemia Major at Gotong Royong Hospital, Surabaya, Indonesia. INDONES J MED [Internet]. 2026 Jul. 10 [cited 2026 Nov. 7];11(3):231-9. Available from: https://theijmed.com/index.php/theijmed/article/view/968