1. The World Oral Health Report 2003: continuous improvement of oral health in the 21st century - the approach of the WHO Global Oral Health Programme
2. World Health OrganizationThe World Oral Health Report 2003: Continuous improvement of oral health in the 21st century20042017-12-06Geneva, SwitzerlandWorld Health Organizationhttp://www.who.int/oral_health/media/en/orh_report03_en.pdf