About: http://webisa.webdatacommons.org/111460793

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	In accordance with a preferred embodiment of the invention, a receptacle having a gas spraying orifice is connected to a gas producing means for supplying an anesthetizing gas such as carbon dioxide or nitrogen.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com