TY  - RPRT
TI  - Smoking is a risk factor for multiple sclerosis.
AU  - Iftah Biran
AU  - Israel Steiner
PY  - 2004
DO  - 10.1212/wnl.63.4.763-a
UR  - https://pubmed.ncbi.nlm.nih.gov/15326276/
ID  - 15326276
ER  -