@article{ref1,
title="Keys to preventing ladder falls",
journal="Occupational health and safety",
year="2014",
author="Francis, David",
volume="83",
number="1",
pages="12, 14, 16-12, 14, 16",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0362-4064",
doi="",
url="http://dx.doi.org/"
}