TY  - RPRT
TI  - Primary progressive multiple sclerosis: a distinct syndrome?
AU  - G V McDonnell
AU  - S A Hawkins
PY  - 1996
DO  - 10.1177/135245859600200304
UR  - https://pubmed.ncbi.nlm.nih.gov/9345378/
ID  - 9345378
ER  -