About: http://webisa.webdatacommons.org/102623455

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	Smoking is a proven health hazard and second hand smoke is a known carcinogen.
http://www.w3.org/ns/prov#wasQuotedFrom	washingtonpost.com