@article{ref1,
title="Spontaneous pneumoperitoneum in blunt chest trauma",
journal="Khirurgiia (Mosk)",
year="1973",
author="Zhegalov, V. A. and Martinkus, A. V.",
volume="49",
number="8",
pages="123-124",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0023-1207",
doi="",
url="http://dx.doi.org/"
}