@article{ref1,
title="Eighteen hundred and seventeen cases of suicidal attempt. a preliminary statistical survey",
journal="American journal of psychiatry",
year="1938",
author="Piker, Philip",
volume="95",
number="1",
pages="97-115",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0002-953X",
doi="10.1176/ajp.95.1.97",
url="http://dx.doi.org/10.1176/ajp.95.1.97"
}