@article{ref1,
title="Drug dependence in psychiatric admissions",
journal="British journal of addiction to alcohol and other drugs",
year="1972",
author="Ballinger, B. R.",
volume="67",
number="3",
pages="215-220",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-0890",
doi="",
url="http://dx.doi.org/"
}