@article{ref1,
title="Emergency admission to hospital from a deputizing service. A controlled study of duration of stay and outcome",
journal="British journal of preventive and social medicine",
year="1973",
author="Williams, B. T. and Dixon, R. A. and Knowelden, J.",
volume="27",
number="2",
pages="126-128",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-1242",
doi="",
url="http://dx.doi.org/"
}