TY  - JOUR 
T1  - Early and severe cognitive impairment in multiple sclerosis
JO  - Dementia & Neuropsychologia
A1  - Mendes, Maria Fernanda
A1  - Finkelsztejn, Alessandro
A1  - Gomes, Sidney
A1  - Fragoso, Yára Dadalti
SN  - 1980-5764
UL  - 10.1590/S1980-57642012DN06010008
VL  - 6 
Y1  - 2012
PB  - Brasil 
ER  -