SERGIO CAROLI is Research Director and Head of the Analytical Chemistry Section of the Applied Toxicology Department, Istituto Superiore di SanitA (National Institute of Health, ISS), Rome. Dr. Caroli received his PhD from the University of Rome in 1968 and became a permanent ISS staff member shortly thereafter. His research focuses on the role of elements in health and environmental problems, the development of spectroanalytical methodologies for quantification of elements, the development of reference values for elements in biological materials, and the preparation of ref...