@misc{indiciae40b122e145ca, title = {Cognitive abnormalities in multiple sclerosis: a psychometric and MRI study.}, author = {M A Ron and M M Callanan and E K Warrington}, year = {1991}, doi = {10.1017/s0033291700014653}, url = {https://pubmed.ncbi.nlm.nih.gov/2047506/}, note = {Source identifier: 2047506} }