@article{ref1,
title="Further figures on lost time due to sickness and accident in industry",
journal="Canadian Medical Association journal",
year="1958",
author="Sellers, A. H. and Sutherland, R. B.",
volume="78",
number="12",
pages="952-954",
abstract="<p>[Abstract unavailable]</p><p>Language: un</p>",
language="un",
issn="0008-4409",
doi="",
url="http://dx.doi.org/"
}