Concentrations of Magnesium, Calcium, Iron, Selenium, Zinc, and Copper in the Hair of Autistic Children April 2009 in “ Trace Elements and Electrolytes ” Anna Lubkowska, W. Sobieraj We don't know much about this study yet. We're maintaining the world's largest resposity of hair loss research. You can help out the community by sending a PDF of this study here . Not sure how to get a study's PDF? You can email the authors of the study. View this study on dustri.com →