Guarnaccia L, Navone SE, Masseroli MM, Balsamo M, Caroli M, Valtorta S, Moresco RM, Campanella R, Schisano L, Fiore G, Galiano V, Garzia E, Appiani GC, Locatelli M, Riboni L Marfia G. Effects of Metformin as Add-On Therapy against Glioblastoma: An Old Medicine for Novel Oncology Therapeutics. Cancers, 2022; 14: 1412