@article{ref1,
title="Trauma in pregnancy",
journal="Annals of emergency medicine",
year="1989",
author="Greenspoon, J. S. and Ault, M. J.",
volume="18",
number="3",
pages="332-333",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0196-0644",
doi="",
url="http://dx.doi.org/"
}