@article{ref1,
title="The mercy argument for euthanasia: some logical considerations",
journal="Public affairs quarterly",
year="1993",
author="Walton, Richard E.",
volume="7",
number="1",
pages="71-84",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0887-0373",
doi="",
url="http://dx.doi.org/"
}