@article{ref1,
title="Chronobiology of traffic accidents in Italy",
journal="European journal of epidemiology",
year="1992",
author="Pasqualetti, Paolo and Casale, Raffele",
volume="8",
number="2",
pages="317-318",
abstract="Abstract unavailable.",
language="",
issn="0393-2990",
doi="",
url="http://dx.doi.org/"
}