@article{ref1,
title="Continuous surveillance of the electrocardiogram in pilots helicopter",
journal="Minerva medica",
year="1974",
author="",
volume="65",
number="85 Suppl",
pages="29-30",
abstract="<p>[Abstract unavailable]</p><p>Language: it</p>",
language="it",
issn="0026-4806",
doi="",
url="http://dx.doi.org/"
}