TY  - RPRT
TI  - Chronic progressive multiple sclerosis: changes in phenotype and function of T helper subsets.
AU  - M R O'Gorman
AU  - T Aziz
AU  - J Oger
PY  - 1989
DO  - 10.1016/0165-5728(89)90110-0
UR  - https://pubmed.ncbi.nlm.nih.gov/2530247/
ID  - 2530247
ER  -