@article{ref1,
title="Notes on the causes of accidents",
journal="Med Deporte Trab",
year="1951",
author="Whitfield, J. W.",
volume="16",
number="100",
pages="4150-4156",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="",
doi="",
url="http://dx.doi.org/"
}