Childhood leukemia around the Belgian nuclear sites, 2006-2016: an ecological study at small geographical level, Demoury, Claire, Faes C, Francart J, Carbonnelle Sylviane, Van Damme N, Van Bladel L, and De Clercq Eva M. , IRPA15, 15th International Congress of the International Radiation Protection Association, may 2021, (2021)