@article{ref1,
title="Relationship between daylight visual acuity and road traffic accident rate",
journal="Deutsche Medizinische Wochenschrift",
year="1971",
author="Gramberg-Danielsen, B.",
volume="96",
number="33",
pages="1343-1344",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0012-0472",
doi="",
url="http://dx.doi.org/"
}