PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Heparin is a mucopolysaccharide composed of amino sugar and uronic acid residues which is obtained from beef, porcine, sheep, whale and other mammalian tissue by extraction with a solution of potassium acetate, alkaline ammonium sulfate and the like.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com