@article{ref1,
title="Assessment of performance in studies of anaesthetic agents",
journal="British journal of anaesthesia",
year="1978",
author="Herbert, M.",
volume="50",
number="1",
pages="33-38",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-0912",
doi="",
url="http://dx.doi.org/"
}