Search results for: Robert Johansson
European Journal of Epidemiology > 2008 > 23 > 4 > 273-280
European Journal of Epidemiology > 2005 > 20 > 4 > 331-337
European Journal of Epidemiology > 2008 > 23 > 4 > 273-280
European Journal of Epidemiology > 2005 > 20 > 4 > 331-337