@article{ref1,
title="The check-up in railroad personnel",
journal="Minerva medica",
year="1971",
author="Melino, C.",
volume="62",
number="20",
pages="1090-1092",
abstract="<p>[Abstract unavailable]</p><p>Language: it</p>",
language="it",
issn="0026-4806",
doi="",
url="http://dx.doi.org/"
}