(Q46046272)
Statements
1 reference
A case-control study of multiple sclerosis (English)
1 reference
Operskalski EA
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Visscher BR
1 reference
Malmgren RM
1 reference
Detels R
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1 June 1989
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1 reference
39
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825-829
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6
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Identifiers
1 reference
1 reference