Barbakow, F. H.De Kock, A. C.Retief, D. H.2016-03-032016-03-031971Barbakow, F.H., De Kock, A.C, Retief, D.H.1971.The fluoride concentration in the enamel of permanent central incisors. Journal of the dental association of South Africa;26(4):134-8http://hdl.handle.net/10539/19549KIMenFluoridesDental EnamelDentistryArticle