TY - JOUR AU - Zhao, Di AU - Aravindakshan, Atul AU - Hilpert, Markus AU - Olmedo Palma, Pablo AU - Rule, Ana M. AU - Navas-Acien, Ana AU - Aherrera, Angela PY - 2020 UR - http://hdl.handle.net/10481/61758 AB - Background: Electronic cigarettes (e-cigarettes) have become popular, in part because they are perceived as a safer alternative to tobacco cigarettes. An increasing number of studies, however, have found toxic metals/metalloids in e-cigarette... LA - eng PB - U.S. Department of Health and Human Services TI - Metal/Metalloid Levels in Electronic Cigarette Liquids, Aerosols, and Human Biosamples: A Systematic Review DO - 10.1289/EHP5686 ER -