TY  - GEN
AU  - Biran,Iftah
AU  - Steiner,Israel
TI  - Smoking is a risk factor for multiple sclerosis
SN  - 1526-632X
PY  - 2005///0324
KW  - Causality
KW  - Humans
KW  - Multiple Sclerosis
KW  - epidemiology
KW  - Prevalence
KW  - Risk Factors
KW  - Smoking
N1  - Publication Type: Comment; Letter
UR  - https://doi.org/10.1212/wnl.63.4.763-a
ER  -