@article{ref1,
title="Role of health services in civil defense",
journal="American journal of public health",
year="1950",
author="Kiefer, N. C.",
volume="40",
number="12",
pages="1486-1490",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0090-0036",
doi="",
url="http://dx.doi.org/"
}