PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • From 2008-2011, the rates of pregnancy, births and abortions all declined steeply in the U.S. ???Contraceptive use improved during this period, as more women and couples were using highly effective long-acting reversible contraceptive methods, such as the IUD.??? [3] However, many women report that cost is a barrier to obtaining and using birth control consistently.
http://www.w3.org/ns/prov#wasQuotedFrom
  • healthaffairs.org