PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Smoking, certain illnesses (such as diabetes), older age, stress, and other factors increase the risk for periodontal disease.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nortonhealthcare.com