@article{ref1,
title="Pneumothorax as a complication of intracardiac injections (author's transl)",
journal="Deutsche Medizinische Wochenschrift",
year="1974",
author="Brettel, H. F.",
volume="99",
number="41",
pages="2040-2042",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0012-0472",
doi="10.1055/s-0028-1108088",
url="http://dx.doi.org/10.1055/s-0028-1108088"
}