Multiple sclerosis and birth order: a longitudinal cohort study.
BACKGROUND: Genetic epidemiological studies suggest both genetic and environmental factors have a role in multiple sclerosis (MS). Environmental effects are strongly suggested from geographical gradients, migration data, and discordance rates in twins. In epidemiological studies, risk of MS in offsp...
| Autors principals: | , , |
|---|---|
| Format: | Journal article |
| Idioma: | English |
| Publicat: |
2005
|