About: http://webisa.webdatacommons.org/187414504

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	However, as a variant, systems based on the known art, such as systems based on the use of high frequency mechanical ventilators (HFOV), may also be used.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com