@article{ref1,
title="Case of perforation of the aorta by pin accidentally swallowed",
journal="BMJ",
year="1903",
author="Owen, I.",
volume="1903",
number="",
pages="1490-1491",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="",
issn="0959-535X",
doi="",
url="http://dx.doi.org/"
}