00420nas a2200157   4500000000100000008004100001100001300042700001500055700001300070700001800083700001300101700001900114700001300133245010200146022001400248       2020                            d1 aC. Zecca1 aG. Disanto1 aR. Sacco1 aS. MacLachlan1 aJ. Kuhle1 aS. Ramagopalan1 aC. Gobbi00aIncreasing cancer risk over calendar year in people with multiple sclerosis: a case-control study  a0340-5354