European Journal of Epidemiology
European Journal of Epidemiology > 1999 > 15 > 5 > 421-427
European Journal of Epidemiology > 1999 > 15 > 5 > 493-497
European Journal of Epidemiology > 1999 > 15 > 5 > 451-459
European Journal of Epidemiology > 1999 > 15 > 5 > 485-491
European Journal of Epidemiology > 1999 > 15 > 5 > 411-419
European Journal of Epidemiology > 1999 > 15 > 5 > 429-437
European Journal of Epidemiology > 1999 > 15 > 5 > 467-473
European Journal of Epidemiology > 1999 > 15 > 5 > 501-502
European Journal of Epidemiology > 1999 > 15 > 5 > 461-466
European Journal of Epidemiology > 1999 > 15 > 5 > 447-449
European Journal of Epidemiology > 1999 > 15 > 5 > 439-445
European Journal of Epidemiology > 1999 > 15 > 5 > 475-484
European Journal of Epidemiology > 1999 > 15 > 5 > 499-500