@article{ref1,
title="Ophthalmological problems in physical examinations of Dutch railroad workers",
journal="Tijdschrift voor Sociale Geneeskunde",
year="1965",
author="Stoutenbeek, P.",
volume="43",
number="",
pages="167-170",
abstract="<p>[Abstract unavailable]</p><p>Language: nl</p>",
language="nl",
issn="0040-7607",
doi="",
url="http://dx.doi.org/"
}