A novel activation-induced cytidine deaminase (AID) mutation in Brazilian patients with hyper-IgM type 2 syndrome - Caratão, Nadine; Cortesão, Catarina S.; Reis, Pedro H.; Freitas, Raquel F.; Jacob, Cristina M. A.; Pastorino, Antonio C.; Carneiro-Sampaio, Magda; Barreto, Vasco M. (C l i n i c a l Immunology, 2013)