@article{ref1,
title="Traumatic perforation of oesophagus",
journal="British medical journal: BMJ",
year="1972",
author="Schiller, K. F. and Cotton, P. B.",
volume="2",
number="5804",
pages="48-49",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}