@article{ref1,
title="Intestinal obstruction by a watermelon seed",
journal="Minnesota medicine",
year="1974",
author="Grannis, F. W. and Lee, R. A.",
volume="57",
number="6",
pages="457-458",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0026-556X",
doi="",
url="http://dx.doi.org/"
}