@article{ref1,
title="Use of hallucinogens by young people: psychosocial aspects",
journal="Laval médical",
year="1969",
author="Unwin, J. R.",
volume="40",
number="1",
pages="85-90",
abstract="<p>[Abstract unavailable]</p><p>Language: fr</p>",
language="fr",
issn="0023-9046",
doi="",
url="http://dx.doi.org/"
}