PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Periodontitis, a gum disease, and obstructive sleep apnea (OSA), a sleep disorder characterized by frequent breathing interruptions, are linked to systemic health conditions such as heart disease and diabetes, but it is not known if OSA is a trigger for periodontitis, researchers said.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wsj.com