Ragab, S. (2015). THE DIAGNOSTIC VALUE OF PULSED WAVE TISSUE DOPPLER IMAGING IN ASYMPTOMATIC BETA- THALASSEMIA MAJOR CHILDREN AND YOUNG ADULTS ; RELATION TO CHEMICAL BIOMARKERS OF LEFT VENTRICULAR FUNCTION AND IRON OVERLOAD . Mediterranean Journal of Hematology and Infectious Diseases, 7(1), e2015051. https://doi.org/10.4084/mjhid.2015.051