@article{ref1,
title="How accidents happen",
journal="Nursing mirror",
year="1977",
author="Bull, J. P.",
volume="145",
number="14",
pages="13-14",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0029-6511",
doi="",
url="http://dx.doi.org/"
}