title: An evaluation of an in vivo enamel acid etch biopsy technique for fluoride determination.
mesh_terms: D000134:Acid Etching, Dental / Q000379:methods*; D001840:Dental Bonding / Q000379:methods*; D003743:Dental Enamel / Q000032:analysis*; D005459:Fluorides / Q000032:analysis*; D006801:Humans
chemical_list: D005459:Fluorides