PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If symptoms persist continuously for more than 4 weeks, or if pain or other factors appear to be the cause of sleeplessness, consult a physician.
http://www.w3.org/ns/prov#wasQuotedFrom
  • walgreens.com