@article{ref1,
title="Ambulance safety: what's new, what's needed",
journal="Emergency medical services",
year="2002",
author="Erich, John",
volume="31",
number="6",
pages="51-4, 56, 58 passim",
abstract="Abstract unavailable.",
language="",
issn="0094-6575",
doi="",
url="http://dx.doi.org/"
}