Garadah, Taysir, et al. “Pro Brain Natriuretic Peptide (BNP) Hormone and Tissue Doppler Abnormalities in Patients With Homozygous Sickle Cell Disease in Bahrain: Echocardiographic Study”. International Journal of Medicine, vol. 2, no. 1, Apr. 2014, pp. 32-35, https://doi.org/10.14419/ijm.v2i1.2257.