@article{ref1,
title="Portal venous gas: an unusual finding in child abuse",
journal="Journal of emergency medicine",
year="2000",
author="Wu, J. W. and Chen, M. Y. and Auringer, S. T.",
volume="18",
number="1",
pages="105-107",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0736-4679",
doi="",
url="http://dx.doi.org/"
}