@article{ref1,
title="The decline and fall of the U.S.A",
journal="Maryland state medical journal",
year="1956",
author="Koontz, A. R.",
volume="5",
number="10",
pages="629-631",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0025-4363",
doi="",
url="http://dx.doi.org/"
}