van der Merwe, E H MRetief, D HBarbakow, F Het al2016-03-032016-03-031974van der Merwe, E. H. M., Retief, D. H., Barbakow, F. H., et al. An evaluation of an in vivo enamel acid etch biopsy technique for fluoride determination. Journal of the dental association of South Africa; 29(2):81-7http://hdl.handle.net/10539/19551PKenAcid Etching, Dental/methodsDental Enamel/analysisFluorides/analysisArticle