Rohimi, S., Advani, N., Sastroasmoro, S., Mardiyono, B., Putra, S., Djer, M.M. and Subroto, F. 2012. Tissue doppler imaging in thalassemia major patients: correlation between systolic and diastolic function with serum ferritin level. Paediatrica Indonesiana. 52, 4 (Aug. 2012), 187-93. DOI:https://doi.org/10.14238/pi52.4.2012.187-93.