About: http://webisa.webdatacommons.org/204157443

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 effects of concussions were recognized in Persia in the year 900 (that???s nine hundred) AD. In the 16th century, the term ???concussion??? came into use, and symptoms such as confusion, lethargy, and memory problems were described.
http://www.w3.org/ns/prov#wasQuotedFrom	nbcsports.com