TY  - RPRT
TI  - Smoking is a risk factor for multiple sclerosis.
AU  - Trond Riise
AU  - Monica W Nortvedt
AU  - Alberto Ascherio
PY  - 2003
DO  - 10.1212/01.wnl.0000081305.66687.d2
UR  - https://pubmed.ncbi.nlm.nih.gov/14581676/
ID  - 14581676
ER  -