@article{ref1,
title="The long-term outcome for adolescent drug users: a follow-up study of 76 users and 146 nonusers",
journal="Proceedings of the annual meeting of the American Psychopathological Association",
year="1970",
author="Robins, L. N. and Darvish, H. S. and Murphy, G. E.",
volume="59",
number="",
pages="159-180",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0091-7389",
doi="",
url="http://dx.doi.org/"
}