@article{ref1,
title="Sequelae of cerebral concussion",
journal="New York state journal of medicine",
year="1961",
author="Caveness, W. F. and Nielsen, K. C.",
volume="61",
number="",
pages="871-875",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0028-7628",
doi="",
url="http://dx.doi.org/"
}