1. Spellman, FR. Mathematics Manual for Water and Wastewater Treatment Plant Operators. Boca Raton, FL: CRC Press, 2004; pp.199–202.
2. Health Canada. Summary Report on the Findings of the Oral Health Component of the Canadian Health Measures Survey, 2007-2009. Ottawa, ON: Health Canada, 2010.
3. Featherstone JD. Prevention and reversal of dental caries: Role of low level fluoride. Community Dent Oral Epidemiol 1999;27(1):31–40. PMID: 10086924. doi: 10.1111/j.l600-0528.1999.tb01989.x.
4. Wolfe J, Ishaque S, Aung YN. The State of Dental Health in Alberta: A Brief Report. Edmonton, AB: University of Alberta, School of Public Health, 2013.
5. McLaren L, McIntyre L. Drinking Water Fluoridation in Canada: Review and Synthesis of Published Literature. Prepared for the Public Health Agency of Canada, Ottawa, 2011.