Sequence and copy number analyses of HEXB gene in patients affected by Sandhoff disease: functional characterization of 9 novel sequence variants. oleh Stefania Zampieri, Silvia Cattarossi, Ana Maria Oller Ramirez, Camillo Rosano, Charles Marques Lourenco, Nadia Passon, Isabella Moroni, Graziella Uziel, Antonella Pettinari, Franco Stanzial, Raquel Dodelson de Kremer, Nydia Beatriz Azar, Filiz Hazan, Mirella Filocamo, Bruno Bembi, Andrea Dardis