@article{ref1,
title="Commentary: All the presidents' children",
journal="International journal of epidemiology",
year="2014",
author="Dorling, D.",
volume="43",
number="3",
pages="827-829",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0300-5771",
doi="10.1093/ije/dyu040",
url="http://dx.doi.org/10.1093/ije/dyu040"
}