@article{ref1,
title="WHO expert committee on dependence-producing drugs. Fifteenth report",
journal="World Health Organization technical report series",
year="1966",
author="",
volume="343",
number="",
pages="1-18",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0512-3054",
doi="",
url="http://dx.doi.org/"
}