@article{ref1,
title="A study of psychiatric emergencies. I. Demographic data",
journal="Psychiatry in medicine",
year="1970",
author="Tyson, R. L. and Browning, C. H. and Miller, S. I.",
volume="1",
number="4",
pages="349-357",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0033-278X",
doi="",
url="http://dx.doi.org/"
}