@misc{indiciae29a35a2b2d0e, title = {Chronic progressive multiple sclerosis: changes in phenotype and function of T helper subsets.}, author = {M R O'Gorman and T Aziz and J Oger}, year = {1989}, doi = {10.1016/0165-5728(89)90110-0}, url = {https://pubmed.ncbi.nlm.nih.gov/2530247/}, note = {Source identifier: 2530247} }