European Journal of Epidemiology
European Journal of Epidemiology > 2009 > 24 > 10 > 597-602
European Journal of Epidemiology > 2009 > 24 > 10 > 589-595
European Journal of Epidemiology > 2009 > 24 > 10 > 611-623
European Journal of Epidemiology > 2009 > 24 > 10 > 649-658
European Journal of Epidemiology > 2009 > 24 > 10 > 603-609
European Journal of Epidemiology > 2009 > 24 > 10 > 635-640
European Journal of Epidemiology > 2009 > 24 > 10 > 641-648
European Journal of Epidemiology > 2009 > 24 > 10 > 625-634