@misc{indiciaeea9426efd2a2, title = {Cognitive and psychiatric abnormalities in multiple sclerosis.}, author = {R C Petersen and E Kokmen}, year = {1989}, doi = {10.1016/s0025-6196(12)65344-0}, url = {https://pubmed.ncbi.nlm.nih.gov/2664362/}, note = {Source identifier: 2664362} }