@article{ref1,
title="Foreign bodies in the thorax and their significance in sports",
journal="Polski Tygodnik Lekarski (Wars)",
year="1949",
author="Sidorowicz, W.",
volume="4",
number="13",
pages="401-403",
abstract="<p>[Abstract unavailable]</p><p>Language: un</p>",
language="un",
issn="0860-8857",
doi="",
url="http://dx.doi.org/"
}