title: Secondary ion microanalysis of fluorine in apatites of biological interest.
mesh_terms: D000818:Animals; D001031:Apatites / Q000032:analysis*; D002118:Calcium / Q000032:analysis; D003743:Dental Enamel / Q000032:analysis*; D005461:Fluorine / Q000032:analysis*; D006801:Humans; D007477:Ions / Q000032:analysis*; D013058:Mass Spectrometry / Q000379:methods; D012754:Sharks; D014070:Tooth / Q000032:analysis*
chemical_list: D001031:Apatites; D007477:Ions; D005461:Fluorine; D002118:Calcium