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\bibitem{Vandeputte_etal1990} {\textquotedblleft}\textit{Localization of lead and fluoride in cultured tooth germs by laser microprobe mass analysis}{\textquotedblright}. Vandeputte DF, Ameloot PC, Cleymaet R, Coomans D, Van Grieken RE, Biological trace element research \textbf{23}, 133 (1990).   http://doi.org/10.1007/BF02917184

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