@article{ref1,
title="Guide to a planned safety program",
journal="Hospitals",
year="1955",
author="Ludlam, J. E.",
volume="29",
number="12",
pages="68-72",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0018-5973",
doi="",
url="http://dx.doi.org/"
}