Annals of Epidemiology
Annals of Epidemiology > 1995 > 5 > 3 > 239-244
Annals of Epidemiology > 1995 > 5 > 3 > 234-238
Annals of Epidemiology > 1995 > 5 > 3 > 179-185
Annals of Epidemiology > 1995 > 5 > 3 > 239-244
Annals of Epidemiology > 1995 > 5 > 3 > 234-238
Annals of Epidemiology > 1995 > 5 > 3 > 179-185