Age of onset in siblings concordant for multiple sclerosis.

We have evaluated genetic and environmental influences in multiple sclerosis (MS) by comparing age of onset in 99 sibling pairs concordant for the disease. We used three methods of analysis: (1) comparison of mean differences in age of onset and year of onset, (2) linear regression of differences in...

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Bibliographic Details
Main Authors: Bulman, D, Sadovnick, A, Ebers, G
Format: Journal article
Language:English
Published: 1991