@article{ref1,
title="Commotio cordis",
journal="New England journal of medicine",
year="2010",
author="Boren, Stephen D.",
volume="362",
number="23",
pages="2229-30; a",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0028-4793",
doi="",
url="http://dx.doi.org/"
}