@article{ref1,
title="The Cochrane Collaboration: evidence for good practice",
journal="Community nurse",
year="1999",
author="Nelson, A.",
volume="4",
number="12",
pages="37, 39-37, 39",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1351-1416",
doi="",
url="http://dx.doi.org/"
}