@article{ref1,
title="After the fall: why fall protection isn't always enough",
journal="Occupational health and safety",
year="2006",
author="Christensen, Ted and Rupard, Steve",
volume="75",
number="3",
pages="48-49",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0362-4064",
doi="",
url="http://dx.doi.org/"
}