Background on the National Football League's research on concussion in professional football.
Pellman
Elliot J
EJ
D000342:Affective Symptoms / Q000209:etiology; D001265:Athletic Injuries / Q000150:complications*; D001924:Brain Concussion / Q000150:complications / Q000209:etiology* / Q000523:psychology; D003863:Depression / Q000209:etiology; D005538:Football; D006261:Headache / Q000209:etiology; D006801:Humans; D012001:Hyperacusis / Q000209:etiology; D012106:Research; D013577:Syndrome