TY  - RPRT
TI  - Primary progressive multiple sclerosis.
AU  - Xavier Montalban
PY  - 2005
DO  - 10.1097/01.wco.0000169742.37159.e9
UR  - https://pubmed.ncbi.nlm.nih.gov/15891409/
ID  - 15891409
ER  -