No abstract available
MeSH terms
-
Alaska
-
Environment
-
Humans
-
Male
-
Military Personnel
-
Multiple Sclerosis / epidemiology
-
Multiple Sclerosis / metabolism*
-
Population Dynamics
-
Risk Factors
-
Scandinavian and Nordic Countries
-
Sex Factors
-
Sunlight
-
United States
-
Vitamin D / metabolism*