About: http://webisa.webdatacommons.org/438070080

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Although CPAP systems are primarily discussed, other systems for delivering a breathable gas, such as air, oxygen, or gases used in anaesthesia, at constant or varying pressures, may be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk