@article{ref1,
title="Aetiology of the post-concussional syndrome",
journal="Acta neurologica Scandinavica",
year="1970",
author="Lidvall, H. F. and Jonsson, C. O. and Linderoth, B. and Norlin, B.",
volume="46",
number="",
pages="Suppl 43:283-Suppl 43:283",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-6314",
doi="",
url="http://dx.doi.org/"
}