European Journal of Epidemiology
European Journal of Epidemiology > 2011 > 26 > 7 > 511-525
European Journal of Epidemiology > 2011 > 26 > 7 > 547-555
European Journal of Epidemiology > 2011 > 26 > 7 > 527-536
European Journal of Epidemiology > 2011 > 26 > 7 > 563-570
European Journal of Epidemiology > 2011 > 26 > 7 > 571-581
European Journal of Epidemiology > 2011 > 26 > 7 > 537-546
European Journal of Epidemiology > 2011 > 26 > 7 > 557-561
European Journal of Epidemiology > 2011 > 26 > 7 > 583-584