PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Does the patient have a primary sleep disorder, such as sleep apnea, restless legs syndrome or periodic limb movements?
http://www.w3.org/ns/prov#wasQuotedFrom
  • aafp.org