@article{ref1,
title="The post-concussional syndrome--fact or fancy?",
journal="South African medical journal SAMJ",
year="1973",
author="Feldman, M.",
volume="47",
number="46",
pages="2247-2248",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0038-2469",
doi="",
url="http://dx.doi.org/"
}