@article{ref1,
title="Pediatric case of the day. Occult child abuse (manifesting with pneumatosis intestinalis and portal venous gas)",
journal="Radiographics",
year="1994",
author="Mueller, G. P. and Cassady, C. I. and Dietrich, R. B. and Pais, M. J. and Warden, M. J.",
volume="14",
number="4",
pages="928-930",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0271-5333",
doi="",
url="http://dx.doi.org/"
}