Double trouble? Progranulin mutation and C9ORF72 repeat expansion in a case of primary non-fluent aphasia. - Mignarri, Andrea; Battistini, Stefania; Tomai Pitinca, Maria Luigia; Monti, Lucia; Burroni, Luca; Ginanneschi, Federica; Ricci, Claudia; Bavazzano, Antonio; Federico, Antonio; Restagno, Gabriella; Dotti, Maria Teresa (Journal of the Neurological Sciences, 2014)