@article{ref1,
title="Carbon monoxide poisoning in pregnancy",
journal="Ginekologia Polska",
year="1969",
author="Stokowski, C. and Kesiak, J.",
volume="40",
number="7",
pages="801-804",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0017-0011",
doi="",
url="http://dx.doi.org/"
}