@article{ref1,
title="Seat belt sign as a predictor of placental abruption",
journal="American surgeon",
year="2017",
author="Tracy, Brett M. and O'Neal, Cindy-Marie and Clayton, Eric and MacNew, Heather",
volume="83",
number="11",
pages="452-454",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0003-1348",
doi="",
url="http://dx.doi.org/"
}