About: http://webisa.webdatacommons.org/5204544

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	For x-ray imaging, including CT, the two sources of physical contrast are:
http://www.w3.org/ns/prov#wasQuotedFrom	sprawls.org