@article{ref1,
title="Statistical analyses of trauma outcome: when is more too much?",
journal="Journal of trauma",
year="2003",
author="Harrell, Frank E. and Frankema, Sander P.G. and Steyerberg, Ewout W.",
volume="54",
number="6",
pages="1256-7; author reply 1257",
abstract="Abstract unavailable.",
language="",
issn="0022-5282",
doi="10.1097/01.TA.0000071949.37713.63",
url="http://dx.doi.org/10.1097/01.TA.0000071949.37713.63"
}