@article{ref1,
title="Changes in disaster medicine. The role of the physician in combating the effects of natural and man-made disaster is clarified and brought up to date in this essay",
journal="Pennsylvania medicine",
year="1968",
author="Paschal, G. W. and Jackson, F. C.",
volume="71",
number="1",
pages="90-2 passim",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0031-4595",
doi="",
url="http://dx.doi.org/"
}