About: http://webisa.webdatacommons.org/52729808

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	The study looked at athletes involved in contact sports, such as soccer, hockey and football, half of whom had suffered a concussion half of whom had not.
http://www.w3.org/ns/prov#wasQuotedFrom	cyc-net.org