@article{ref1,
title="Crosswalk markings and motor vehicle collisions involving older pedestrians",
journal="JAMA journal of the American Medical Association",
year="2002",
author="Runge, Jeffrey W. and Cole, Thomas B.",
volume="288",
number="17",
pages="2172-2174",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0098-7484",
doi="",
url="http://dx.doi.org/"
}