@article{ref1,
title="Biological causes of aggression. Combine environment and biological approach!",
journal="Lakartidningen",
year="1994",
author="Kristiansson, Marianne and Lidberg, L.",
volume="91",
number="48",
pages="4540-4542",
abstract="<p>[Abstract unavailable]</p><p>Language: sv</p>",
language="sv",
issn="0023-7205",
doi="",
url="http://dx.doi.org/"
}