@article{ref1,
title="Blunt abdominal trauma",
journal="Canadian Medical Association journal",
year="1971",
author="",
volume="105",
number="10",
pages="1074-5 passim",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0008-4409",
doi="",
url="http://dx.doi.org/"
}