@article{ref1,
title="Prognosis after head injury based on early clinical examination",
journal="Lancet",
year="1973",
author="Overgaard, J. and Hvid-Hansen, O. and Land, A. M. and Pedersen, K. K. and Christensen, Steffen and Haase, J. and Hein, O. and Tweed, W. A.",
volume="2",
number="7830",
pages="631-635",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0140-6736",
doi="",
url="http://dx.doi.org/"
}