@article{ref1,
title="Bumps, grinds take toll on bones, muscles, mind",
journal="Occupational health and safety",
year="1976",
author="Wasserman, Danuta",
volume="45",
number="1",
pages="19-21",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0362-4064",
doi="",
url="http://dx.doi.org/"
}