@article{ref1,
title="Difficult to diagnose head injuries in drunk and violent persons",
journal="Lakartidningen",
year="1997",
author="Halfvarson, J. and Loogna, P.",
volume="94",
number="42",
pages="3719-3722",
abstract="<p>[Abstract unavailable]</p><p>Language: sv</p>",
language="sv",
issn="0023-7205",
doi="",
url="http://dx.doi.org/"
}