@article{ref1,
title="Using capture-recapture in promoting public health",
journal="Health policy and planning",
year="1995",
author="Watts, Charlotte H. and Zwi, Anthony B. and Foster, G.",
volume="10",
number="2",
pages="198-203",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0268-1080",
doi="",
url="http://dx.doi.org/"
}