Helmets and preventing motorcycle and bicycle injuries: comments and a correction.
Resnick
M P
MP
Ross
M
M
Schmidt
T A
TA
Wiest
J
J
Grass
H
H
Sweetman
P
P
D001642:Bicycling; D006259:Craniocerebral Trauma / Q000517:prevention & control; D006260:Head Protective Devices / Q000592:standards*; D006801:Humans; D009049:Motorcycles