@article{ref1,
title="The authors reply to Voracek",
journal="American journal of epidemiology",
year="2006",
author="Martin, L.T. and Kubzansky, L.D.",
volume="163",
number="12",
pages="1162-1163",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9262",
doi="10.1093/aje/kwj192",
url="http://dx.doi.org/10.1093/aje/kwj192"
}