@article{ref1,
title="Stab wound of the heart",
journal="Polski przeglad chirurgiczny",
year="1972",
author="Jankiewicz, S. and Zõlkiewicz, J.",
volume="44",
number="7",
pages="1273-1275",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0032-373X",
doi="",
url="http://dx.doi.org/"
}