TY  - RPRT
TI  - When is multiple sclerosis acquired?
AU  - M Alter
AU  - M Okihiro
PY  - 1971
DO  - 10.1212/wnl.21.10.1030
UR  - https://pubmed.ncbi.nlm.nih.gov/5165303/
ID  - 5165303
ER  -