@article{ref1,
title="Experience of the State of Illinois Department of Public Health following the enactment of a laser system registration law",
journal="Radiological health data and reports",
year="1969",
author="Courtney, R. W.",
volume="10",
number="10",
pages="421-426",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0033-8400",
doi="",
url="http://dx.doi.org/"
}