@article{ref1,
title="Eliminate head-checking in ice hockey",
journal="Clinical journal of sport medicine",
year="2001",
author="Mueller, F. O. and Tator, Charles H. and Johnston, K. M. and Ordogh, D. and Carson, J. D. and Pashby, T.",
volume="11",
number="4",
pages="211-213",
abstract="Abstract unavailable.",
language="",
issn="1050-642X",
doi="",
url="http://dx.doi.org/"
}