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The Journal of Primary Prevention > 2006 > 27 > 1 > 81-89
Journal of Neurology > 2005 > 252 > 11 > 1316-1321
European Journal of Epidemiology > 2005 > 20 > 5 > 411-419
The Journal of Primary Prevention > 2006 > 27 > 1 > 81-89
Journal of Neurology > 2005 > 252 > 11 > 1316-1321
European Journal of Epidemiology > 2005 > 20 > 5 > 411-419