@article{ref1,
title="Driving advice for palliative care patients taking strong opioid medication",
journal="Palliative medicine",
year="2004",
author="Pease, Nicola and Taylor, Helen and Major, Heather",
volume="18",
number="7",
pages="663-665",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0269-2163",
doi="",
url="http://dx.doi.org/"
}