About: http://webisa.webdatacommons.org/152536375

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	Further, gas injection means are provided with the instrument for selectively communicating a pressurized gas, such as carbon dioxide, through the instrument and to a distal end thereof for purposes described hereinafter.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com