@article{ref1,
title="Ambulance demand. a new look at the relation of ambulance and hospital records",
journal="Public health",
year="1965",
author="WHITAKER, V.",
volume="79",
number="",
pages="154-156",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0033-3506",
doi="",
url="http://dx.doi.org/"
}