@article{ref1,
title="Nuclear weapons. Medical isotopes confound nuclear test monitoring",
journal="Science",
year="2014",
author="Wald, Chelsea",
volume="345",
number="6193",
pages="126-126",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0036-8075",
doi="10.1126/science.345.6193.126",
url="http://dx.doi.org/10.1126/science.345.6193.126"
}