TY  - JOUR
PY  - 1974//
TI  - Head protection in football
JO  - Journal of sports medicine
A1  - Reid, S. E.
A1  - Epstein, H. M.
A1  - O'Dea, T. J.
A1  - Louis, M. W.
A1  - Reid, S. E.
SP  - 86
EP  - 92
VL  - 2
IS  - 2
N2  - unavailable.    Keywords: American football
LA  - en
SN  - 0090-4201
UR  - http://dx.doi.org/
ID  - ref1
ER  -