AUTHOR=Plantone Domenico , Renna Rosaria , Sbardella Emilia , Koudriavtseva Tatiana TITLE=Concurrence of Multiple Sclerosis and Brain Tumors JOURNAL=Frontiers in Neurology VOLUME=6 YEAR=2015 URL=https://www.frontiersin.org/journals/neurology/articles/10.3389/fneur.2015.00040 DOI=10.3389/fneur.2015.00040 ISSN=1664-2295