@article{ref1,
title="Pelvic injuries in equestrians on buck-jumping horses",
journal="Journal of trauma",
year="1997",
author="Van der Werken, C. and van Laarhoven, C. J. and van Nieuwenhoven, A. L.",
volume="43",
number="5",
pages="867-868",
abstract="Abstract unavailable.",
language="",
issn="0022-5282",
doi="",
url="http://dx.doi.org/"
}