@article{ref1,
title="Foreign body (needle) in heart",
journal="New York state journal of medicine",
year="1949",
author="Friedlander, J. H. and Brodman, H. R. and Smith, C. E.",
volume="49",
number="15",
pages="1837-1839",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0028-7628",
doi="",
url="http://dx.doi.org/"
}