@article{ref1,
title="The mechanism of injury in blunt abdominal trauma",
journal="Journal of trauma",
year="1973",
author="Frey, C. F. and McElhaney, James H. and Stalnaker, R. L. and Trollope, M. L.",
volume="13",
number="11",
pages="962-970",
abstract="Abstract unavailable.",
language="",
issn="0022-5282",
doi="",
url="http://dx.doi.org/"
}