@article{ref1,
title="Is copper sulfate a poison?",
journal="Journal of the American Medical Association",
year="1924",
author="No Author(s) Listed, ",
volume="83",
number="19",
pages="1522-1522",
abstract="Abstract unavailable.",
language="",
issn="0002-9955",
doi="",
url="http://dx.doi.org/"
}