About: http://webisa.webdatacommons.org/165635132

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	Nitrous oxide -- often called laughing gas -- can give patients a calming, sometimes euphoric feeling, and is commonly used during dental work such as root canals.
http://www.w3.org/ns/prov#wasQuotedFrom	wisegeek.org