@article{ref1,
title="A very present danger",
journal="Canadian nurse, The",
year="1979",
author="Post, A. and Langford, A. J.",
volume="75",
number="1",
pages="42-43",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0008-4581",
doi="",
url="http://dx.doi.org/"
}