@article{ref1,
title="Are advance directives legally binding or simply the starting point for discussion on patients' best interests?",
journal="BMJ",
year="2009",
author="Bonner, Stephen and Tremlett, Michael and Bell, Dominic",
volume="339",
number="",
pages="b4667-b4667",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-535X",
doi="10.1136/bmj.b4667",
url="http://dx.doi.org/10.1136/bmj.b4667"
}