@article{ref1,
title="Annotated bibliography appendices: international codes of ethics",
journal="Bulletin of the Pan American Health Organization",
year="1990",
author="",
volume="24",
number="4",
pages="582-629",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0085-4638",
doi="",
url="http://dx.doi.org/"
}