Angiopoietin‐2 acts as a survival factor for chronic lymphocytic leukemia B cells throughout Tie‐2 receptor engagement. Issue 1 (4th June 2017) - Maffei, Rossana; Fiorcari, Stefania; Martinelli, Silvia; Guarnotta, Carla; Benatti, Stefania; Belmonte, Beatrice; Potenza, Leonardo; Luppi, Mario; Marasca, Roberto