Musallam KM, Cappellini MD, Daar S, Karimi M, El-Beshlawy A, Graziadei G, Magestro M, Wulff J, Pietri G, Taher AT. Serum ferritin level and morbidity risk in transfusion-independent patients with β-thalassemia intermedia: the ORIENT study. Haematologica 2014; 99(11):e218-e221; https://doi.org/10.3324/haematol.2013.097220.