About: http://webisa.webdatacommons.org/61891119

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	They are extracted and sold as supplements such as cod liver oil and these, too, are polluted in most cases.
http://www.w3.org/ns/prov#wasQuotedFrom	viva.org.uk