Helmets for preventing head and facial injuries in bicyclists.
Thompson
D C
DC
Rivara
F P
FP
Thompson
R
R
D001642:Bicycling / Q000293:injuries*; D006259:Craniocerebral Trauma / Q000517:prevention & control*; D005151:Facial Injuries / Q000517:prevention & control*; D006260:Head Protective Devices; D006801:Humans; D016032:Randomized Controlled Trials as Topic