PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Selenium is an essential trace element ??? required for an extensive range of biochemical functions ??? mediated by some 20 selenoproteins that play a key role in antioxidant systems, thyroid hormone metabolism, immune function and reproduction.
http://www.w3.org/ns/prov#wasQuotedFrom
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