@article{ref1,
title="Mushroom poisoning in the province of Warsaw in 1959-1966",
journal="Wiadomosci Lekarskie",
year="1967",
author="Szelag, J. and Cieślewski, S. and Sliwiński, A.",
volume="20",
number="15",
pages="1427-1433",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0043-5147",
doi="",
url="http://dx.doi.org/"
}