About: http://webisa.webdatacommons.org/77967231

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	However, since selenium is an essential nutrient normally present in foods, low levels of selenium are normally found in body tissues and urine.
http://www.w3.org/ns/prov#wasQuotedFrom	cdc.gov