@article{ref1,
title="The postman's dilemma",
journal="Journal of public health (Oxford)",
year="2006",
author="Vetter, Norman",
volume="28",
number="1",
pages="1-2",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1741-3842",
doi="10.1093/pubmed/fdi081",
url="http://dx.doi.org/10.1093/pubmed/fdi081"
}