http://www.cancer.be/
http://aides-cancer.info/
http://www.cancer.ca/
http://www.livestrong.org/
http://www.cancer.gov/
http://www.57357.com/
http://eu-cancer.iarc.fr/
http://www.e-cancer.fr/
http://www.khcc.jo/
http://ec.europa.eu/health-eu/health_problems/cancer/index_fr.htm
http://www.cancerresearchuk.org/
www.kiko.nl