@article{ref1,
title="A metal foreign body in the esophagus of a 40-days old infant",
journal="Ceskoslovenska Pediatrie",
year="1966",
author="Drastík, J.",
volume="21",
number="4",
pages="364-365",
abstract="<p>[Abstract unavailable]</p><p>Language: cs</p>",
language="cs",
issn="0069-2328",
doi="",
url="http://dx.doi.org/"
}