OUTCOMES IN FIRST RELAPSED‐REFRACTORY YOUNGER PATIENTS WITH MANTLE CELL LYMPHOMA: RESULTS FROM THE MANTLE‐FIRST STUDY. (12th June 2019) - Visco, C.; Di Rocco, A.; Tisi, M.C.; Morello, L.; Evangelista, A.; Zilioli, V.R.; Rusconi, C.; Hohaus, S.; Sciarra, R.; Re, A.; Tecchio, C.; Chiappella, A.; et al.