TY  - RPRT
TI  - Studies on the geographic clustering of multiple sclerosis and optic neuritis in Finland.
AU  - J Wikström
AU  - J Palo
PY  - 1976
DO  - 10.1007/bf00313269
UR  - https://pubmed.ncbi.nlm.nih.gov/60475/
ID  - 60475
ER  -