@article{ref1,
title="Seat belt use during pregnancy",
journal="Journal of trauma",
year="2004",
author="Okubo, Teruyoshi and Wakai, Susumu and Nakahara, Shinji and Ichikawa, Masao",
volume="57",
number="3",
pages="682-683",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-5282",
doi="",
url="http://dx.doi.org/"
}