TY  - JOUR
PY  - 1991//
TI  - Factors influencing pedestrian and motocyclist fatality risk
JO  - Journal of traffic medicine
A1  - Evans, Leonard
SP  - 69
EP  - 73
VL  - 19
IS  - 2
N2  - <p>Results of this study show that wearing a helmet provides a substantial reduction in fatality risk of 28 plus or minus 8 percent, and that passing mandatory wearing laws generates substantial reductions in casualties.</p>
LA  - en
SN  - 0345-5564
UR  - http://dx.doi.org/
ID  - ref1
ER  -