About: http://webisa.webdatacommons.org/172462865

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 major public health challenge and the principal risk factor for cancer,
http://www.w3.org/ns/prov#wasQuotedFrom	biomedcentral.com