@article{ref1,
title="Self-destructive aspects of hard core addiction",
journal="Archives of general psychiatry",
year="1973",
author="Frederick, C. J. and Resnik, H. L. and Wittlin, B. J.",
volume="28",
number="4",
pages="579-585",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-990X",
doi="",
url="http://dx.doi.org/"
}