@article{ref1,
title="The wide margin of implicit built-in safety factors in current radiation protection standards",
journal="Health physics",
year="1977",
author="Kahan, R. S. and Feige, Y.",
volume="32",
number="6",
pages="509-521",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0017-9078",
doi="",
url="http://dx.doi.org/"
}