@article{ref1,
title="Drug abuse",
journal="Feldsher i Akusherka",
year="1989",
author="Chudin, A. S.",
volume="54",
number="4",
pages="46-50",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0014-9772",
doi="",
url="http://dx.doi.org/"
}