@article{ref1,
title="Diseases of occupational origin in external pathology",
journal="Zeitschrift fur Unfallmedizin und Berufskrankheiten",
year="1953",
author="Verdan, C.",
volume="46",
number="3",
pages="174-189",
abstract="<p>[Abstract unavailable]</p><p>Language: un</p>",
language="un",
issn="0044-3603",
doi="",
url="http://dx.doi.org/"
}