@article{ref1,
title="Safety device of my design to prevent accidental swallowing of foreign objects",
journal="Shikai Tenbo",
year="1978",
author="Enomoto, T.",
volume="51",
number="3",
pages="485-489",
abstract="<p>[Abstract unavailable]</p><p>Language: ja</p>",
language="ja",
issn="0011-8702",
doi="",
url="http://dx.doi.org/"
}