@article{ref1,
title="A rarely observed bronchial foreign body in a 16-month-old infant",
journal="Wiadomosci Lekarskie",
year="1982",
author="Betkowski, A. and Wysocka-Kuźniar, S. and Duhl, B.",
volume="35",
number="3-4",
pages="233-236",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0043-5147",
doi="",
url="http://dx.doi.org/"
}