@article{ref1,
title="Traumatic etiology of amyotrophic lateral sclerosis",
journal="Rivista Degli Infortuni e delle Malattie Professionali",
year="1955",
author="Virgili, R.",
volume="42",
number="5",
pages="805-825",
abstract="<p>[Abstract unavailable]</p><p>Language: it</p>",
language="it",
issn="0035-5836",
doi="",
url="http://dx.doi.org/"
}