@article{ref1,
title="These are the seven danger signals of hospital electrical hazards",
journal="Modern hospital",
year="1973",
author="Henning, J. L.",
volume="121",
number="1",
pages="103-104",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0026-783X",
doi="",
url="http://dx.doi.org/"
}