@misc{indiciae66b2ee4b04fb, title = {Pain in chronic multiple sclerosis.}, author = {M R Kassirer and D H Osterberg}, year = {1987}, doi = {10.1016/s0885-3924(87)80022-2}, url = {https://pubmed.ncbi.nlm.nih.gov/3647085/}, note = {Source identifier: 3647085} }