Aggett PJ (1985). "Physiology and metabolism of essential trace elements: an outline". Clin Endocrinol Metab 14 (3): 513–43. doi:10.1016/S0300-595X(85)80005-0 . PubMed
Cavalieri RR (1997). "Iodine metabolism and thyroid physiology: current concepts". Thyroid 7 (2): 177–81. doi:10.1089/thy.1997.7.177 . PubMed
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3183630/ Kaur, Tajpreet, Amritpal Singh, and Rajeshkumar Goel. "Mechanisms Pertaining to Arsenic Toxicity." Toxicology International 18.2 (2011): 87-93. National Center for Biotechnology Information. Web. 26 July 2014. doi:10.4103/0971-6580.84258 PubMed