@article{ref1,
title="Spectral analysis of the high-frequency electrocardiogram in contusive myocardial injury",
journal="Annals of biomedical engineering",
year="1978",
author="Schick, T. D. and Powers, S. R.",
volume="6",
number="2",
pages="154-160",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0090-6964",
doi="",
url="http://dx.doi.org/"
}