About: http://webisa.webdatacommons.org/438207294

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	Intentional differences in payments attributable to such factors as geography or illness severity explained much of this variation.
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov