title: Determination of trace elements in surface enamel of human teeth by a new biopsy procedure.
mesh_terms: D000293:Adolescent; D000328:Adult; D001706:Biopsy / Q000379:methods*; D002648:Child; D003743:Dental Enamel / Q000032:analysis*; D005459:Fluorides / Q000032:analysis; D005990:Glycerol; D006801:Humans; D006851:Hydrochloric Acid; D066298:In Vitro Techniques; D007854:Lead / Q000032:analysis; D008274:Magnesium / Q000032:analysis; D012964:Sodium / Q000032:analysis; D013054:Spectrophotometry, Atomic; D013324:Strontium / Q000032:analysis; D014131:Trace Elements / Q000032:analysis*; D015032:Zinc / Q000032:analysis
chemical_list: D014131:Trace Elements; D007854:Lead; D012964:Sodium; D008274:Magnesium; D015032:Zinc; D005990:Glycerol; D005459:Fluorides; D006851:Hydrochloric Acid; D013324:Strontium