@article{ref1,
title="Protective equipment for in-line skaters",
journal="New England journal of medicine",
year="1996",
author="Rivara, Frederick P. and Thompson, R. S.",
volume="335",
number="22",
pages="1680-1682",
abstract="Abstract unavailable.",
language="",
issn="0028-4793",
doi="",
url="http://dx.doi.org/"
}