@article{ref1,
title="Vaginally induced pneumoperitoneum during pregnancy",
journal="AJR American journal of roentgenology",
year="1988",
author="Gensburg, R. S. and Wojcik, W. G. and Mehta, S. D.",
volume="150",
number="3",
pages="595-596",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0361-803X",
doi="10.2214/ajr.150.3.595",
url="http://dx.doi.org/10.2214/ajr.150.3.595"
}