@article{ref1,
title="Radiation protection in medicine--introduction to the most important regulations",
journal="Röntgenpraxis; Zeitschrift für Radiologische Technik",
year="1975",
author="Jeiter, W.",
volume="28",
number="3",
pages="61-72",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0035-7820",
doi="",
url="http://dx.doi.org/"
}