@article{ref1,
title="Persistent vomiting after vigorous football game",
journal="Hospital practice (office edition)",
year="1986",
author="Murray, B. J.",
volume="21",
number="9",
pages="198-202",
abstract="<p>[Abstract unavailable]  Keywords: American football; </p> <p>Language: en</p>",
language="en",
issn="8750-2836",
doi="",
url="http://dx.doi.org/"
}