@article{ref1,
title="Antenatal teaching of the use of seat belts in pregnancy",
journal="British medical journal: BMJ",
year="1992",
author="Usherwood, M. M. and Griffiths, M. and Reginald, P. W.",
volume="304",
number="6827",
pages="614-614",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}