@article{ref1,
title="A case of accidental inhalation of protactinium-231 and actinium-227",
journal="Health physics",
year="1968",
author="Newton, D.",
volume="15",
number="1",
pages="11-17",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0017-9078",
doi="",
url="http://dx.doi.org/"
}