Keeping Track to Selenium Metabolism (IMAGE) Spanish Foundation for Science and Technology Caption The technique allows for infinitesimal amounts of selenium to be quantified in their different chemical forms. Credit J. Giner et al. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.