@article{ref1,
title="Abdominal injuries",
journal="Polski przeglad chirurgiczny",
year="1967",
author="Pietrzyk, I. and Górniak, A.",
volume="39",
number="12",
pages="1254-1257",
abstract="<p>[Abstract unavailable]</p> <p>Language: pl</p>",
language="pl",
issn="0032-373X",
doi="",
url="http://dx.doi.org/"
}