@article{ref1,
title="X-ray machines for airport security",
journal="JAMA journal of the American Medical Association",
year="1975",
author="Holder, L. E.",
volume="233",
number="13",
pages="1393-1394",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0098-7484",
doi="",
url="http://dx.doi.org/"
}