Elemental analysis of hair fibres using PIXE--a population study of sulphur and zinc content.
D004577:Electron Probe Microanalysis / Q000295:instrumentation / Q000379:methods; D006197:Hair / Q000032:analysis*; D006801:Humans; D013455:Sulfur / Q000032:analysis*; D014131:Trace Elements / Q000032:analysis*; D015032:Zinc / Q000032:analysis*
D014131:Trace Elements; D013455:Sulfur; D015032:Zinc