@article{ref1,
title="The semiotics of play fighting at a residential treatment center",
journal="Adolescent psychiatry",
year="1988",
author="Horan, R.",
volume="15",
number="",
pages="367-381",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0065-2008",
doi="",
url="http://dx.doi.org/"
}