@article{ref1,
title="The limits on self-destruction",
journal="Health progress (Saint Louis, Mo.)",
year="1992",
author="Callahan, S.",
volume="73",
number="3",
pages="72-73",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0882-1577",
doi="",
url="http://dx.doi.org/"
}