Annals of Epidemiology
Annals of Epidemiology > 2008 > 18 > 3 > 196-205
Annals of Epidemiology > 2008 > 18 > 3 > 172-178
Annals of Epidemiology > 2008 > 18 > 7 > 545-551
Annals of Epidemiology > 2008 > 18 > 3 > 196-205
Annals of Epidemiology > 2008 > 18 > 3 > 172-178
Annals of Epidemiology > 2008 > 18 > 7 > 545-551