@article{ref1,
title="The epidemiology of a lifetime",
journal="European journal of epidemiology",
year="2004",
author="Barendregt, Jan J.",
volume="19",
number="2",
pages="97-98",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0393-2990",
doi="",
url="http://dx.doi.org/"
}