About: http://webisa.webdatacommons.org/184277124

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	All you state is that ???helmets cannot prevent concussion.??? You don???t even talk about the other, more life-threatening types of head injury like cerebral contusion, subdural hemotoma, and skull fracture.
http://www.w3.org/ns/prov#wasQuotedFrom	bikeforums.net