@article{ref1,
title="Foreign bodies in the esophagus",
journal="Lakartidningen",
year="1978",
author="Haglund, S. and Kuylenstierna, R. and Lind, M. G.",
volume="75",
number="16",
pages="1602-1606",
abstract="<p>[Abstract unavailable]</p><p>Language: sv</p>",
language="sv",
issn="0023-7205",
doi="",
url="http://dx.doi.org/"
}