Yeni, H., Yani, F., Izzah, A. and Lubis, G. 2019. Relationship between serum ferritin and zinc levels in patients with major thalassemia. Paediatrica Indonesiana. 59, 3 (Jun. 2019), 144-9. DOI:https://doi.org/10.14238/pi59.3.2019.144-9.