TY  - JOUR
PY  - 1992//
TI  - Do cycle helmets prevent serious head injury? Cycling without helmets
JO  - British medical journal: BMJ
A1  - McCarthy, M.
SP  - 881
EP  - 882
VL  - 305
IS  - 6858
N2  - Abstract unavailable.
LA  - 
SN  - 0959-8138
UR  - http://dx.doi.org/
ID  - ref1
ER  -