@article{ref1,
title="Accident prevention:  a new challenge to Public Health",
journal="Delaware medical journal",
year="1956",
author="Kenyon, M. and Marshall, C.",
volume="28",
number="9",
pages="224-231",
abstract="Abstract unavailable.",
language="",
issn="0011-7781",
doi="",
url="http://dx.doi.org/"
}