Subroto, Fajar, Bulan Munthe, Najib Advani, and Agus Firmansyah. 2016. “The Correlation Between Ferritin Level and Cardiac Dysfunction in Patients With Thalassemia”. Paediatrica Indonesiana 43 (1), 24-7. https://doi.org/10.14238/pi43.1.2003.24-7.