About: http://webisa.webdatacommons.org/270046085

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 researchers found that the amount of radiation per CT scan differed substantially for the same type of scan performed on different machines in the same or other institutions.
http://www.w3.org/ns/prov#wasQuotedFrom	cancer.org