Development of a patient-reported outcomes symptom measure for patients with nontransfusion-dependent thalassemia (NTDT-PRO© ). - Taher A; Viprakasit V; Cappellini MD; Sutcharitchan P; Ward R; Mahmoud D; Laadem A; Khan A; Gwaltney C; Harding G; Attie K; Zhang X; et al. (American journal of hematology, 2019)