@article{ref1,
title="Visual problems during digitalis treatment",
journal="Deutsche Gesundheitswesen",
year="1953",
author="Lachmann, H.",
volume="8",
number="18",
pages="539-541",
abstract="<p>[Abstract unavailable]</p><p>Language: un</p>",
language="un",
issn="0012-0219",
doi="",
url="http://dx.doi.org/"
}