@article{ref1,
title="Traffic fatalities in Philadelphia",
journal="Journal of trauma",
year="1970",
author="Howard, Jamie M. and Bordner, K. R. and Spelman, J. W.",
volume="10",
number="10",
pages="885-889",
abstract="Abstract unavailable.",
language="",
issn="0022-5282",
doi="",
url="http://dx.doi.org/"
}