Turkstra, J.Retief, D. H.Cleaton-Jones, P. E.2016-05-032016-05-031975Turkstra,J., Retief, D.H., Cleaton-Jones, P.E.1975. Activation analysis in biological material.South African medical journal;49(6):191-6http://hdl.handle.net/10539/20326KIMenActivation AnalysisNeutron Activation AnalysisDental CalculusDental EnamelEsophageal NeoplasmsActivation analysis in biological materialArticle