Brain and spinal cord abnormalities in multiple sclerosis - Nijeholt, G J; van Walderveen, M A; Castelijns, J A; van Waesberghe, J H; Polman, C; Scheltens, P; Rosier, P F; Jongen, P J; Barkhof, F
Correlation between MRI parameters, clinical subtypes and symptoms. Brain. 1998 Apr;121 (EN 4):687-97. Doi: 10.1093/brain/121.4.687. PMID: 9577394.