Effects of seasons on magnetic resonance imaging--measured disease activity in patients with multiple sclerosis.
Rovaris
M
M
Comi
G
G
Sormani
M P
MP
Wolinsky
J S
JS
Ladkani
D
D
Filippi
M
M
D006801:Humans; D008279:Magnetic Resonance Imaging; D009103:Multiple Sclerosis / Q000473:pathology* / Q000503:physiopathology*; D012621:Seasons