@article{ref1,
title="High school football: valuable sport or sado-masochistic excess?",
journal="Hawaii medical journal",
year="1963",
author="Tabrah, Frank L.",
volume="23",
number="",
pages="106-108",
abstract="<p>[Abstract unavailable]  Keywords: American football </p> <p>Language: en</p>",
language="en",
issn="0017-8594",
doi="",
url="http://dx.doi.org/"
}