@article{ref1,
title="Pulmonary complications caused by an ear of corn remaining in the bronchus for a long time",
journal="Polski Tygodnik Lekarski",
year="1972",
author="Grzegorowski, M. and Rafiński, R.",
volume="27",
number="41",
pages="1601-1603",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0032-3756",
doi="",
url="http://dx.doi.org/"
}