TY  - RPRT
TI  - Multiple sclerosis: the present position.
AU  - W I McDonald
PY  - 1983
DO  - 10.1111/j.1600-0404.1983.tb04819.x
UR  - https://pubmed.ncbi.nlm.nih.gov/6195886/
ID  - 6195886
ER  -