@article{ref1,
title="Self-destructive behaviour in oral and intravenous drug-dependent groups",
journal="British journal of psychiatry",
year="1975",
author="Gossop, M. R. and Cobb, J. P. and Connell, P. H.",
volume="126",
number="",
pages="266-269",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-1250",
doi="",
url="http://dx.doi.org/"
}