The Importance of Tumor Stem Cells in Glioblastoma Resistance to Therapy. - Mattei, Vincenzo; Santilli, Francesca; Martellucci, Stefano; Delle Monache, Simona; Fabrizi, Jessica; Colapietro, Alessandro; Angelucci, Adriano; Festuccia, Claudio (International Journal of Molecular Sciences, 2021)