@article{ref1,
title="Knock knock: concussions from sports injuries",
journal="New Jersey medicine",
year="1998",
author="Moser, Rosemarie Scolaro",
volume="95",
number="11",
pages="27-29",
abstract="Abstract unavailable.",
language="",
issn="0885-842X",
doi="",
url="http://dx.doi.org/"
}