@article{ref1,
title="Perforating injuries of the esophagus. Cause, diagnosis, and therapy",
journal="Medizinische Klinik [Urban und Schwarzenberg]",
year="1972",
author="Vogt-Moykopf, I. and Dietz, R. and Hasper, B.",
volume="67",
number="19",
pages="664-667",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0025-8458",
doi="",
url="http://dx.doi.org/"
}