title: The selenium paradox.
mesh_terms: D000014:Abnormalities, Drug-Induced; D000818:Animals; D001151:Arsenic; D002104:Cadmium; D002273:Carcinogens; D002326:Cariogenic Agents; D003035:Cobalt; D004347:Drug Interactions; D005504:Food Analysis; D006801:Humans; D008628:Mercury; D009369:Neoplasms / Q000139:chemically induced; D012643:Selenium / Q000378:metabolism / Q000633:toxicity; D013793:Thallium; D014131:Trace Elements; D014811:Vitamin E Deficiency / Q000188:drug therapy; D015032:Zinc
chemical_list: D002273:Carcinogens; D002326:Cariogenic Agents; D014131:Trace Elements; D002104:Cadmium; D003035:Cobalt; D013793:Thallium; D008628:Mercury; D012643:Selenium; D015032:Zinc; D001151:Arsenic