PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Instead, the present invention comprises a system that is battery powered including pumps to pressurize a chamber or chambers that provides breathable air through electronically controlled pressure regulated valves that prevents upper airway obstruction.03-07-2013
http://www.w3.org/ns/prov#wasQuotedFrom
  • faqs.org