About: http://webisa.webdatacommons.org/448094575

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	In addition, the participants were mostly screened at major academic medical centers, staffed by experienced, well-trained radiologists and thoracic oncologists.
http://www.w3.org/ns/prov#wasQuotedFrom	cdc.gov