PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In some cases, of course, a cesarean section can save lives, such as in the event of a prolapsed umbilical cord (the umbilical cord slips through the cervix before the baby and may endanger the baby???s oxygen supply) or placenta previa, which occurs when the placenta grows in such a way that it blocks the baby???s exit through the cervix.
http://www.w3.org/ns/prov#wasQuotedFrom
  • mercola.com