TY  - RPRT
TI  - Geographical considerations in multiple sclerosis.
AU  - U Leibowitz
AU  - D Sharon
AU  - M Alter
PY  - 1967
DO  - 10.1093/brain/90.4.871
UR  - https://pubmed.ncbi.nlm.nih.gov/6075816/
ID  - 6075816
ER  -