@article{ref1,
title="Physical and muscular strain in Swedish tanker truck drivers",
journal="Ergonomics",
year="1986",
author="Hedberg, G. E. and Niemi, K.",
volume="29",
number="6",
pages="817-826",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0014-0139",
doi="",
url="http://dx.doi.org/"
}