@article{ref1,
title="Hemorrhage from gastric mucosal erosions following acute poisoning with potassium hypermanganate",
journal="Polski Tygodnik Lekarski",
year="1972",
author="Umińska, K. and Szumiłowicz, G. and Zawadzki, W.",
volume="27",
number="49",
pages="1938-1939",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0032-3756",
doi="",
url="http://dx.doi.org/"
}