@article{ref1,
title="Culture of secrecy must be tackled",
journal="BMJ",
year="2007",
author="Williams, Michael V.",
volume="334",
number="7590",
pages="381-381",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-535X",
doi="10.1136/bmj.39128.703692.3A",
url="http://dx.doi.org/10.1136/bmj.39128.703692.3A"
}