@article{ref1,
title="Opiate system in self-injurious behavior",
journal="American journal of psychiatry",
year="1991",
author="Chernaik, S. J.",
volume="148",
number="10",
pages="1421-1422",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0002-953X",
doi="",
url="http://dx.doi.org/"
}