About: http://webisa.webdatacommons.org/169927345

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	If smoking is the most common cause of lung cancer, why do only 10 to 20 percent of heavy smokers develop the disease?
http://www.w3.org/ns/prov#wasQuotedFrom	issuu.com