@article{ref1,
title="Endogenous opiates and self-mutilation",
journal="American journal of psychiatry",
year="1986",
author="Richardson, J. S. and Zaleski, W. A.",
volume="143",
number="7",
pages="938-939",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-953X",
doi="",
url="http://dx.doi.org/"
}