KhanK.S., KunzR., KleijnenJ., AntesG.Systematic Reviews to Support Evidence-Based Medicine. How to Review and Apply findings of Health Care Research.London: RSM Press,2003
2.
McDonaghM., WhitingP., BradleyM.Systematic review of water fluoridation.BMJ2000; 321: 855–9
3.
NHS Centre for Reviews and Dissemination (CRD).A systematic review of water fluoridation.CRD Report 18.York: University of York, 2000 [http://www.york.ac.uk/inst/crd/fluorid.htm]