Deferasirox for cardiac siderosis in β‐thalassaemia major: a multicentre, open label, prospective study. (30th June 2014) - Piga, Antonio; Longo, Filomena; Origa, Raffaella; Roggero, Simona; Pinna, Francesca; Zappu, Antonietta; Castiglioni, Chiara; Cappellini, Maria Domenica