@article{ref1,
title="Accidental ingestion of water hemlock. Report of two patients with acute and chronic effects",
journal="California medicine",
year="1973",
author="Costanza, D. J. and Hoversten, V. W.",
volume="119",
number="2",
pages="78-82",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0008-1264",
doi="",
url="http://dx.doi.org/"
}