About: http://webisa.webdatacommons.org/52531805

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	While the overall link between smoking and heart problems, as well as smoking and cancer and other health problems, has been known for a long time, experts knew less about how the quantity and duration of cigarette smoking affected risk.
http://www.w3.org/ns/prov#wasQuotedFrom	orangeparkmedical.com