Echocardiografic abnormalities in patients with sickle cell/β-thalassemia do not depend on the β-thalassemia phenotype oleh Bruno Deltreggia Benites, Ianara Silva Cisneiros, Stephany Oliveira Bastos, Ana Paula Beppler Lazaro Lino, Fernando Ferreira Costa, Simone Cristina Olenscki Gilli, Sara Teresinha Olalla Saad