@article{ref1,
title="Concussion of the brain",
journal="South Med Rec",
year="1875",
author="Rush, J. D.",
volume="5",
number="7",
pages="e401-e401",
abstract="[Full text available on PubMed Central]<p /><p>Language: en</p>",
language="en",
issn="",
doi="",
url="http://dx.doi.org/"
}