@article{ref1,
title="Pneumonia after aspiration of mineral oil",
journal="Pneumonologia Polska",
year="1986",
author="Vertun-Baranowska, B. and Filipecki, S. and Szymczyk, E.",
volume="54",
number="12",
pages="556-560",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0376-4761",
doi="",
url="http://dx.doi.org/"
}