@article{ref1,
title="Cataract in persons working with trinitrotoluene",
journal="Internationales Archiv für Arbeitsmedizin",
year="1968",
author="Hassman, P. and Juran, J.",
volume="24",
number="4",
pages="310-318",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0020-5923",
doi="",
url="http://dx.doi.org/"
}