title: Variation in trace metal concentrations along single hairs as measured by proton-induced x-ray emission photometry.
mesh_terms: D001966:Bromine / Q000032:analysis; D002118:Calcium / Q000032:analysis; D003300:Copper / Q000032:analysis; D005260:Female; D006197:Hair / Q000032:analysis*; D006801:Humans; D007501:Iron / Q000032:analysis; D010783:Photometry; D013324:Strontium / Q000032:analysis; D014131:Trace Elements / Q000032:analysis*; D015032:Zinc / Q000032:analysis
chemical_list: D014131:Trace Elements; D003300:Copper; D007501:Iron; D015032:Zinc; D001966:Bromine; D002118:Calcium; D013324:Strontium