About: http://webisa.webdatacommons.org/392299870

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	We do not know if factors such as steroid use or alcohol use (play a role). ??????? I think people generally think that concussion has been confirmed to cause this problem, when in fact the science hasn't proven that.
http://www.w3.org/ns/prov#wasQuotedFrom	greenbaypressgazette.com