title: A preliminary study of the microelement composition of the outer layer of dental enamel.
mesh_terms: D000134:Acid Etching, Dental; D000293:Adolescent; D000328:Adult; D001464:Barium / Q000032:analysis; D001842:Bone and Bones / Q000032:analysis; D002118:Calcium / Q000032:analysis; D002648:Child; D002675:Child, Preschool; D003300:Copper / Q000032:analysis; D003743:Dental Enamel / Q000032:analysis*; D006801:Humans; D007223:Infant; D008187:Lutetium / Q000032:analysis; D013455:Sulfur / Q000032:analysis; D013499:Surface Properties; D014131:Trace Elements / Q000032:analysis
chemical_list: D014131:Trace Elements; D001464:Barium; D008187:Lutetium; D013455:Sulfur; D003300:Copper; D002118:Calcium