@article{ref1,
title="Multiple sclerosis: concussion during adolescence linked to increased risk of MS",
journal="Nature reviews: neurology",
year="2017",
author="Sidaway, Peter",
volume="13",
number="11",
pages="640-640",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1759-4758",
doi="10.1038/nrneurol.2017.135",
url="http://dx.doi.org/10.1038/nrneurol.2017.135"
}