@article{ref1,
title="The diagnosis of corrosive esophageal burns",
journal="Deutsche Medizinische Wochenschrift",
year="1992",
author="Knoll, M. R. and Müller, M. K. and Singer, M. V.",
volume="117",
number="4",
pages="141-144",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0012-0472",
doi="10.1055/s-2007-1024236",
url="http://dx.doi.org/10.1055/s-2007-1024236"
}