@article{ref1,
title="Injury-related maternal mortality",
journal="American journal of obstetrics and gynecology",
year="2018",
author="Ray, Joel G. and Zipursky, Jonathan and Park, Alison L.",
volume="219",
number="3",
pages="307-308",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0002-9378",
doi="10.1016/j.ajog.2018.05.025",
url="http://dx.doi.org/10.1016/j.ajog.2018.05.025"
}