TY  - RPRT
TI  - Cognitive impairment in multiple sclerosis: a longitudinal study.
AU  - M P Amato
AU  - G Ponziani
AU  - L Amaducci
PY  - 1999
UR  - https://pubmed.ncbi.nlm.nih.gov/10689495/
ID  - 10689495
ER  -