About: http://webisa.webdatacommons.org/402687628

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	It is to be understood that the term ???positive pressure source??? generally refers to a pump or an equivalent, such as a syringe or pressurized receptacle.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com