www.who.int - Svetová zdravotnícka organizácia (WHO) - medzinárodná
http://www.euro.who.int/en/home - Svetová zdravotnícka organizácia (WHO) – Európska
www.rivm.nl - National Institute of Public Health and the Environment, Holandsko
www.cdc.gov - Center of Disease Control and Prevention, USA
www.nih.gov - National Institute of Health, USA
www.epa.gov - Environmental Protection Agency, USA
www.healtheffects.org - Health Effects Institute, USA
www.lshtm.ac.uk - London School of Hygiene and Tropical Medicine, UK |