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...

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Bibliographic Details
Main Authors: Sadovnick, A, Yee, I, Ebers, G
Format: Journal article
Language:English
Published: 2005