@article{ref1,
title="Re: "Estimating the relative risk in cohort studies and clinical trials of common outcomes"",
journal="American journal of epidemiology",
year="2004",
author="Cummings, Peter",
volume="159",
number="2",
pages="213; author reply 214-5",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9262",
doi="",
url="http://dx.doi.org/"
}