@article{ref1,
title="Safety requires constant vigilance",
journal="Hospital topics",
year="1966",
author="Hinkley, H. R.",
volume="44",
number="1",
pages="71-75",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0018-5868",
doi="",
url="http://dx.doi.org/"
}