About: http://webisa.webdatacommons.org/434534051

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	Nobody including doctors knew the damage of concussions a mere 10 years ago, but the nfl knew the results before medical professionals.
http://www.w3.org/ns/prov#wasQuotedFrom	nbcsports.com