PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • With the rapid development of medical fertility science in the latter part of the 20th century and continuing to this day, techniques have become available to assist childless couples in their efforts to bear children, particularly through the method of in-vitro fertilization.
http://www.w3.org/ns/prov#wasQuotedFrom
  • oca.org