@article{ref1,
title="Prevention of back injuries in industry",
journal="Wisconsin medical journal",
year="1958",
author="Ansfield, D. J.",
volume="57",
number="9",
pages="322-326",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0043-6542",
doi="",
url="http://dx.doi.org/"
}