About: http://webisa.webdatacommons.org/369621172

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	Previously, doctors only ordered computed tomography scans (CTs) or x-rays for smokers who complained of symptoms, such as coughing up blood.
http://www.w3.org/ns/prov#wasQuotedFrom	aarp.org