@article{ref1,
title="Poisoning with organic phosphorus preparations used in agriculture (description of 6 cases)",
journal="Polski Tygodnik Lekarski",
year="1965",
author="Szewczykowski, W. and Brzozowski, J. and Wolanski, I. and Berbec, W.",
volume="20",
number="",
pages="310-312",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0032-3756",
doi="",
url="http://dx.doi.org/"
}