About: http://webisa.webdatacommons.org/392882475

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	By studying 709 lung cancer patients in 20 London hospitals, he offered medicine the first incontrovertible scientific evidence that tobacco led directly to lung cancer and other deadly diseases.
http://www.w3.org/ns/prov#wasQuotedFrom	cancer.org