About: http://webisa.webdatacommons.org/417472233

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 clinical trials, a surrogate endpoint is a measurement of laboratory or clinical signs of a disease or condition that substitutes for a direct
http://www.w3.org/ns/prov#wasQuotedFrom	sec.gov