@article{ref1,
title="Alteration of medical records",
journal="AJR American journal of roentgenology",
year="1997",
author="Berlin, L.",
volume="168",
number="6",
pages="1405-1408",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0361-803X",
doi="",
url="http://dx.doi.org/"
}