ghr.nlm.nih.gov/condition/congenital-hypothyroidism - External Health Links
Selenium (National Institutes of Health, Office of Dietary Supplements)
... the activity of the selenium-dependent enzyme, glutathione peroxidase [ 35 ]. Researchers are continuing to examine the effects ... by changes in blood selenium concentration and glutathione peroxidase activity. J Trace Elem Med Biol 1995;9: ...
ods.od.nih.gov/factsheets/selenium - Drugs and Supplements