PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • a The formaldehyde used for this study is a product of Sigma-Aldrich Company, St. Louis, USA.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cosmeticsandtoiletries.com