About: http://webisa.webdatacommons.org/410743854

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	Estimates vary over what percentage of imaging tests which are unnecessary, but some studies suggest the number is as many as half.
http://www.w3.org/ns/prov#wasQuotedFrom	healthleadersmedia.com