@article{ref1,
title="The Opium Traffic and the League of Nations",
journal="Lancet",
year="1921",
author="No Author(s) Listed, ",
volume="2",
number="",
pages="518-518",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0140-6736",
doi="",
url="http://dx.doi.org/"
}