@article{ref1,
title="Poison control centers in St. Louis",
journal="Missouri medicine",
year="1959",
author="Middelkamp, J. N.",
volume="56",
number="2",
pages="149-151",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0026-6620",
doi="",
url="http://dx.doi.org/"
}