About: http://webisa.webdatacommons.org/236272244

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	Cigarette smoke contains over 4,000 chemicals, including cyanide, aluminum, DDT, dieldrin, ammonia, arsenic, formaldehyde, benzene, hydrogen, lead, carbon monoxide, carbon dioxide, tar, chloroform and vinyl chloride.
http://www.w3.org/ns/prov#wasQuotedFrom	camh.net