@article{ref1,
title="Night work and shift changes",
journal="British journal of industrial medicine",
year="1953",
author="Wyatt, S. and Marriott, R.",
volume="10",
number="3",
pages="164-172",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-1072",
doi="",
url="http://dx.doi.org/"
}