@article{ref1,
title="What is an alcohol problem?",
journal="Professional nurse",
year="1989",
author="Watts, M.",
volume="4",
number="4",
pages="167-169",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0266-8130",
doi="",
url="http://dx.doi.org/"
}