@article{ref1,
title="Experience in suicide prevention. "Calls for help in Chicago"",
journal="IMJ Illinois medical journal",
year="1970",
author="Wilkins, J. L.",
volume="137",
number="3",
pages="257-60 passim",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0019-2120",
doi="",
url="http://dx.doi.org/"
}