L. Fewtrell, Smith, S., Kay, D., en Bartram, J.,
“An attempt to estimate the global burden of disease due to fluoride in drinking water”,
Journal of water and health, pp. p. 533-542 : 3 fig., 6 tab., 2006.
J. Fawell, Bailey, K., Chilton, J., Dahi, E., Fewtrell, L., en Magara, Y.,
Fluoride in drinking water. Geneva, Switzerland: World Health Organization (WHO), 2006, p. x, 134 p. : fig., tab.