@article{ref1,
title="Prevalence of heart diseases and study of some somatic characteristics in Italian railroad workers",
journal="Cuore e Circolazione",
year="1965",
author="PUDDU, V. and Menotti, A. and Monti, M.",
volume="49",
number="",
pages="98-107",
abstract="<p>[Abstract unavailable]</p><p>Language: it</p>",
language="it",
issn="0300-8894",
doi="",
url="http://dx.doi.org/"
}