@article{ref1,
title="Radiation awareness and exposure reduction with audible monitors",
journal="AJR American journal of roentgenology",
year="1979",
author="Gray, J. E.",
volume="133",
number="6",
pages="1200-1201",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0361-803X",
doi="10.2214/ajr.133.6.1200",
url="http://dx.doi.org/10.2214/ajr.133.6.1200"
}