@article{ref1,
title="Counts or clusters?",
journal="Australian family physician",
year="1998",
author="Gunn, J. and Kerse, N.",
volume="27",
number="Suppl 1",
pages="S52-3",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0300-8495",
doi="",
url="http://dx.doi.org/"
}