Progressive multifocal leukoencephalopathy in patients with follicular lymphoma treated with bendamustine plus rituximab followed by rituximab maintenance. (9th March 2020) - D'Alò, Francesco; Malafronte, Rosalia; Piludu, Francesca; Bellesi, Silvia; Cuccaro, Annarosa; Maiolo, Elena; Modoni, Anna; Leccisotti, Lucia; Macis, Giuseppe; Mores, Nadia; De Stefano, Valerio; Hohaus, Stefan