@article{ref1,
title="Tracheobronchial and esophageal foreign body extraction in infants and children",
journal="Journal of the Kentucky Medical Association",
year="1969",
author="Nighbert, E. and Combs, R. and Trinkle, J. K.",
volume="67",
number="8",
pages="573-575",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0023-0294",
doi="",
url="http://dx.doi.org/"
}