@article{ref1,
title="Drug consumption on university campuses (author's transl)",
journal="Medicina clinica",
year="1980",
author="",
volume="75",
number="8",
pages="317-326",
abstract="<p>[Abstract unavailable]</p><p>Language: es</p>",
language="es",
issn="0025-7753",
doi="",
url="http://dx.doi.org/"
}