@article{ref1,
title="Toxic gas elimination from yew trees",
journal="Munchener Medizinische Wochenschrift",
year="1970",
author="Koch, W.",
volume="112",
number="30",
pages="1398-1398",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0027-2973",
doi="",
url="http://dx.doi.org/"
}