The Effect of the 1992 California Motorcycle Helmet Use Law on Motorcycle Crash Fatalities and Injuries
JAMA 272:1506-1511, 1535, 1541994., Kraus,J.F.,et al, 1994
Traumatic Brain Injury in High School Athletes
JAMA 282:958-963,989, Powell,J.W.&Barber-Foss,K.D., 1999
Head Injury
JNNP 58:526-539, Teasdale,G.M., 1995
Skateboard Injuries
Pediatrics 95:611-612, Boyle,W.E.,et al, 1995
Bicycle Helmets
Pediatrics 95:609-610, Boyle,W.E.,et al, 1995
Head Injury in Sport
BMJ 308:1620-1624, McLatchie,G.&Jennett,B., 1994