@article{ref1,
title="The toll taken by all-terrain vehicles climbs",
journal="WMJ (Wisconsin medical journal)",
year="1990",
author="Cogbill, T. H.",
volume="89",
number="6",
pages="250, 254-250, 254",
abstract="Abstract unavailable.",
language="",
issn="1098-1861",
doi="",
url="http://dx.doi.org/"
}