Hypogonadism, diabetes mellitus, hypothyroidism, hypoparathyroidism: incidence and prevalence related to iron overload and chelation therapy in patients with thalassaemia major followed from 1980 to 2007 in the Ferrara Centre - Gamberini, M R; De Sanctis, V; Gilli, G (Pediatr Endocrinol Rev, 2008)