@article{ref1,
title="Ethical prohibition against physician participation in capital punishment",
journal="Mayo Clinic proceedings",
year="2008",
author="Black, L.J. and Levine, M.A.",
volume="83",
number="1",
pages="113-115",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0025-6196",
doi="10.4065/83.1.113",
url="http://dx.doi.org/10.4065/83.1.113"
}