@article{ref1,
title="A suicide prevention center in Chicago",
journal="IMJ Illinois medical journal",
year="1968",
author="Parks, F. M. and Wolf, D.",
volume="133",
number="3",
pages="306-10 passim",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0019-2120",
doi="",
url="http://dx.doi.org/"
}