1. Compulsory vaccination with or without conscientious objection clause;Knack;Hippokrates,1953
2. Compulsory vaccination or conscientious objection clause;Huber;Hippokrates,1953
3. A measles outbreak in the Whitsundays, Queensland: the shape of things to come?;Hanna;Commun. Dis. Int.,2002
4. The challenge of vaccine safety;Jacobson;Semin. Pediatr. Infect. Dis.,2002
5. Religious and philosophical exemptions from vaccination requirements and lessons learned from conscientious objectors from conscription;Salmon;Public Health Rep.,2001