Efficacy and safety of calcium channel blockers in preventing cardiac siderosis in thalassemia patients: An updated meta-analysis with trial sequential analysis. - Soliman Y; Abdelaziz A; Mouffokes A; Amer BE; Goudy YM; Abdelwahab OA; Badawy MM; Diab RA; Elsharkawy A (European journal of haematology, 2023)