@article{ref1,
title="The incidence of accidents in relation to the annual cycle",
journal="Industrial medicine and surgery",
year="1953",
author="Schulzinger, M. S.",
volume="22",
number="2",
pages="49-55",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0019-8536",
doi="",
url="http://dx.doi.org/"
}