@article{ref1,
title="Attempted suicide as an operant behavior",
journal="Archives of general psychiatry",
year="1974",
author="Bostock, T. and Williams, Christopher L.",
volume="31",
number="4",
pages="482-486",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-990X",
doi="",
url="http://dx.doi.org/"
}