@article{ref1,
title="A rare case of spontaneous rupture of the stomach",
journal="Khirurgiia",
year="1973",
author="Nikolov, A. and Georgiev, N.",
volume="26",
number="5",
pages="438-439",
abstract="<p>[Abstract unavailable]</p><p>Language: bg</p>",
language="bg",
issn="0450-2167",
doi="",
url="http://dx.doi.org/"
}