About: http://webisa.webdatacommons.org/423502599

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	Though nicotine is a key addictive component of tobacco, it is notable that tobacco smoke consists of more than 4,000 chemicals[39], many of them carcinogenic or otherwise toxic.
http://www.w3.org/ns/prov#wasQuotedFrom	plos.org