@article{ref1,
title="Electroencephalographic changes in professional boxers",
journal="Journal of the American Medical Association",
year="1952",
author="Busse, E. W. and Silverman, A. J.",
volume="149",
number="17",
pages="1522-1525",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0002-9955",
doi="",
url="http://dx.doi.org/"
}