European Journal of Epidemiology
European Journal of Epidemiology > 1997 > 13 > 6 > 665-673
European Journal of Epidemiology > 1997 > 13 > 6 > 639-643
European Journal of Epidemiology > 1997 > 13 > 6 > 687-689
European Journal of Epidemiology > 1997 > 13 > 6 > 659-664
European Journal of Epidemiology > 1997 > 13 > 6 > 681-686
European Journal of Epidemiology > 1997 > 13 > 6 > 691-697
European Journal of Epidemiology > 1997 > 13 > 6 > 653-657
European Journal of Epidemiology > 1997 > 13 > 6 > 709-717
European Journal of Epidemiology > 1997 > 13 > 6 > 645-651
European Journal of Epidemiology > 1997 > 13 > 6 > 725-727
European Journal of Epidemiology > 1997 > 13 > 6 > 631-637
European Journal of Epidemiology > 1997 > 13 > 6 > 699-708
European Journal of Epidemiology > 1997 > 13 > 6 > 729-731
European Journal of Epidemiology > 1997 > 13 > 6 > 613-622
European Journal of Epidemiology > 1997 > 13 > 7 > 779-786
European Journal of Epidemiology > 1997 > 13 > 7 > 771-778
European Journal of Epidemiology > 1997 > 13 > 7 > 745-754