@article{ref1,
title="Use of car headlamps",
journal="British medical journal: BMJ",
year="1979",
author="Primrose, J.",
volume="1",
number="6173",
pages="1282-1282",
abstract="Abstract unavailable.",
language="",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}