title: Chemical evidence of two separate apatite phases in human enamel.
mesh_terms: D001031:Apatites / Q000032:analysis*; D002118:Calcium / Q000032:analysis; D003743:Dental Enamel / Q000032:analysis*; D006801:Humans; D010758:Phosphorus / Q000032:analysis
chemical_list: D001031:Apatites; D010758:Phosphorus; D002118:Calcium