1. A Cross-sectional Study of the Impact of Blood Selenium on Blood and Urinary Arsenic Concentrations in Bangladesh George, Christine; Gamble, Mary; Slavkovich, Vesna N.; Levy, Diane; Ahmed, Alauddin; Ahsan, Habibul; Graziano, Joseph 2013 Articles Environmental healthEpidemiologyDrinking water--Arsenic contentArsenic--MetabolismSelenium--Physiological effect