International Journal of Trichology · 2013 · 14 citations · 5 references
The results of the present study indicate hair can be used as an indicator of fluoride exposure.
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Fingernail Fluoride: A Method for Monitoring Fluoride Exposure
Gary M. Whitford, F.C. Sampaio, P. Arneberg et al. · Caries Research · 1999 · 66 citations