@article{ref1,
title="Ingestion of liquid drain cleaner",
journal="GP",
year="1969",
author="Middelkamp, J. N. and Ferguson, T. B. and Roper, C. L.",
volume="40",
number="4",
pages="86-89",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0016-3600",
doi="",
url="http://dx.doi.org/"
}