@article{ref1,
title="Old brain injuries and driver's licence",
journal="Duodecim: Laaketieteellinen Aikakauskirja",
year="1991",
author="Alanen, H. M. and Karkola, Kari",
volume="107",
number="16",
pages="1348-1352",
abstract="Abstract unavailable.",
language="",
issn="0012-7183",
doi="",
url="http://dx.doi.org/"
}