@article{ref1,
title="Corrosive injuries of the oesophagus and their treatment (author's transl)",
journal="HNO",
year="1973",
author="Berdal, P.",
volume="21",
number="9",
pages="264-267",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0017-6192",
doi="",
url="http://dx.doi.org/"
}