1. Incidence and prevalence of hepatitis B in the Netherlands [in Dutch];Veldhuijzen;InfectieziekteBulletin,2001
2. Viral hepatitis, 1994–1997;Bartelds,1998
3. Protection against hepatitis B,1996
4. Seksualiteit in Nederland. Sexueel gedrag, risico en preventie van AIDS;Zessen,1991
5. Same-sex sexual behavior and psychiatric disorders: findings from the Netherlands Mental Health Survey and Incidence Study (NEMESIS);Sandfort;Arch Gen Psychiatry,2001