About: http://webisa.webdatacommons.org/430785371

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 recognized risk factor for lung, head and neck and other cancers, but the relationship between smoking and breast cancer is unclear.
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov