@article{ref1,
title="Trouble on the pitch: are professional football players at increased risk of developing amyotrophic lateral sclerosis?",
journal="Brain: a journal of neurology",
year="2005",
author="Al-Chalabi, Ammar and Leigh, P. Nigel",
volume="128",
number="Pt 3",
pages="451-453",
abstract="<p>[Abstract unavailable]  Keywords: Soccer </p> <p>Language: en</p>",
language="en",
issn="0006-8950",
doi="10.1093/brain/awh426",
url="http://dx.doi.org/10.1093/brain/awh426"
}