@article{ref1,
title="Hallfors and Steckler respond [3]",
journal="American journal of public health",
year="2006",
author="Hallfors, D.D. and Steckler, A.",
volume="96",
number="8",
pages="e1340-e1340",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0090-0036",
doi="10.2105/AJPH.2006.090795",
url="http://dx.doi.org/10.2105/AJPH.2006.090795"
}