PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I have come across a study that suggested that icariin was approximately 80 times less effective than PDE5 inhibitors such as Cialis or Viagra.
http://www.w3.org/ns/prov#wasQuotedFrom
  • yohimbebark.net