@article{ref1,
title="Dangers in diving under and in coming up",
journal="MMW: Fortschritte der Medizin",
year="2007",
author="",
volume="149",
number="31-32",
pages="13, 15-13, 15",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="1438-3276",
doi="",
url="http://dx.doi.org/"
}