@article{ref1,
title="Case of very severe carbon monoxide poisoning",
journal="Przeglad Lekarski",
year="1970",
author="Fryze, C. and Gruszka, E. and Zawadzki, W.",
volume="26",
number="9",
pages="723-724",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0033-2240",
doi="",
url="http://dx.doi.org/"
}