About: http://webisa.webdatacommons.org/378026480

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	Experiments with gases other than CO2 i.e. helium, nitrous oxide and argon have all produced the same or similar effect.
http://www.w3.org/ns/prov#wasQuotedFrom	centerforendo.com