1. World Health Organisation WHO publishes key world health statistics 2007 http://www.who.int/mediacentre/news/notes/2007/np24/en/index.html
2. Surveillance and monitoring;Wilkinson;Obes Rev,2007
3. EHES The EHES manual 2011 http://www.ehes.info/manuals.htm
4. Van der Heyden J Is a Health Examination Survey relevant for Belgium? 2011 https://nrchm.wiv-isp.be/nl/ref_centra_labo/Antibiotica_resistente_Pseudomonas_en_Acinetobacter/Aanvraagformulier/Formulier%20ARSPA%20101.pdf
5. OECD OECD Health Data 2012: Definitions, Sources and Methods 2012 2012 http://www.oecd.org/health/healthdata