@article{ref1,
title="Abdominal injuries",
journal="British medical journal: BMJ",
year="1974",
author="Roy, A. D.",
volume="4",
number="5940",
pages="335-336",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}