@article{ref1,
title="The use and abuse of hypnotics",
journal="Gerontologia clinica",
year="1967",
author="Exton-Smith, A. N.",
volume="9",
number="4",
pages="264-269",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0016-8998",
doi="",
url="http://dx.doi.org/"
}