EP-1249 Impact of retreatment or chemiotherapy on survival in patients affected by a recurrent Glioblastoma. (April 2019) - Mazzarella, C.; Chiesa, S.; Bracci, S.; Zinicola, T.; Longo, S.; Beghella Bartoli, F.; Luzi, S.; Sabatino, G.; Albanesese, A.; Olivi, A.; Valentini, V.; Balducci, M.