@article{ref1,
title="World Medical Association: Declaration of Tokyo",
journal="Bulletin of the American College of Physicians",
year="1976",
author="",
volume="17",
number="6",
pages="15-15",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-8010",
doi="",
url="http://dx.doi.org/"
}