@article{ref1,
title="Considerations on periodic frequency on certain esophageal foreign bodies",
journal="Il Friuli Medico",
year="1951",
author="Migliorini, L.",
volume="6",
number="6",
pages="753-755",
abstract="<p>[Abstract unavailable]</p> <p>Language: un</p>",
language="un",
issn="0016-1535",
doi="",
url="http://dx.doi.org/"
}