About: http://webisa.webdatacommons.org/424915688

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	Secondhand smoke contains over 4,000 chemicals and at least 69 carcinogens, including formaldehyde, cyanide, and arsenic.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com