Guarnaccia L, Marfia G, Masseroli MM, Navone SE, Balsamo M, Caroli M, Valtorta S, Moresco RM, Campanella R, Garzia E, Riboni L, Locatelli M. Frontiers in Anti-Cancer Drug Discovery: Challenges and Perspectives of Metformin as Anti-Angiogenic Add-On Therapy in Glioblastoma. Cancers, 2022; 14: 112 Schipani G, Del Duca E, Todaro G, Scali E, Dastoli S, Bennardo L, Bonacci S, Di Raimondo C, Pavel AB, Colica C, Xu X, Procopio A, Patruno C, Nisticó SP. Arsenic and chromium levels in hair correlate with actinic keratosis/non melanoma skin cancer: results of an observational controlled study. Ital Dermatol Venereol, 2021; 156 (6): 703-708