@article{ref1,
title="Accidental childhood poisoning in Pennsylvania",
journal="Journal of school health",
year="1974",
author="Silverio, J. and Sesso, A. M.",
volume="44",
number="9",
pages="514-516",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0022-4391",
doi="",
url="http://dx.doi.org/"
}