@article{ref1,
title="Poisoning source; a widely distributed weed",
journal="Pennsylvania medical journal",
year="1954",
author="Lanich, O. K. Jr and Ambrus, J. L.",
volume="57",
number="4",
pages="345-348",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0096-0667",
doi="",
url="http://dx.doi.org/"
}