@article{ref1,
title="Legal and ethical considerations",
journal="Practitioner",
year="1991",
author="Palmer, K.",
volume="235",
number="1500",
pages="226-228",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0032-6518",
doi="",
url="http://dx.doi.org/"
}