@article{ref1,
title="Use of drugs by railway personnel",
journal="Nederlands Tijdschrift voor Geneeskunde",
year="1961",
author="Proost, J. B. and Meyering, M. T.",
volume="105",
number="",
pages="1203-1204",
abstract="<p>[Abstract unavailable]</p><p>Language: nl</p>",
language="nl",
issn="0028-2162",
doi="",
url="http://dx.doi.org/"
}