@article{ref1,
title="Head injury and accident-proneness (somato-psychic causes of such injuries)",
journal="Acta psychiatrica et neurologica Scandinavica",
year="1954",
author="Dalsgaard-Nielsen, T. and Dirksen, H.",
volume="29",
number="1",
pages="28-30",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0365-5598",
doi="",
url="http://dx.doi.org/"
}