@article{ref1,
title="American Academy of Pediatrics Committee on Sports Medicine and Fitness: Horseback riding and head injuries",
journal="Pediatrics",
year="1992",
author="",
volume="89",
number="3",
pages="512-512",
abstract="Abstract unavailable.",
language="",
issn="0031-4005",
doi="",
url="http://dx.doi.org/"
}