@article{ref1,
title="Injuries to the thorax",
journal="Polski przeglad chirurgiczny",
year="1967",
author="Switka, S. and Krotkiewska, J.",
volume="39",
number="8",
pages="750-754",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0032-373X",
doi="",
url="http://dx.doi.org/"
}