Mild Traumatic Brain Injury,Toward Understanding Manifestations and Treatment
Arch Int Med 158:90-97, Kushner,D., 1998
Head Injury in Sport
BMJ 308:1620-1624, McLatchie,G.&Jennett,B., 1994
The National Football Head & Neck Injury Registry
JAMA 241:1477-1479, Torg,J.S.,et al, 1979