About: http://webisa.webdatacommons.org/297302047

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	They performed a literature search, looking for studies in which the primary outcome was overall survival (OS), with secondary endpoints of local cancer control, event-free survival, and other outcomes.
http://www.w3.org/ns/prov#wasQuotedFrom	medpagetoday.com