@article{ref1,
title="To err was fatal",
journal="British medical journal: BMJ",
year="1996",
author="Fonseka, C.",
volume="313",
number="7072",
pages="1640-1642",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}