TY  - RPRT
TI  - An epidemiologic approach to multiple sclerosis.
AU  - J F Kurtzke
PY  - 1966
DO  - 10.1001/archneur.1966.00470080097015
UR  - https://pubmed.ncbi.nlm.nih.gov/4952448/
ID  - 4952448
ER  -