@article{ref1,
title="An improved method for the assay of toxicity of arsenicals",
journal="Nature",
year="1948",
author="Perry, W. L. M.",
volume="161",
number="4103",
pages="975-975",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0028-0836",
doi="",
url="http://dx.doi.org/"
}