@article{ref1,
title="Occult injuries in pedestrian accidents",
journal="Journal of trauma",
year="1971",
author="Drucker, W. R. and Waddell, J. P.",
volume="11",
number="10",
pages="844-852",
abstract="Abstract unavailable.",
language="",
issn="0022-5282",
doi="",
url="http://dx.doi.org/"
}