@article{ref1,
title="The prevalence and progression of the stomach and duodenum ulcer diseases among the employees of the Motor License and Inspection Department of Tatarstan",
journal="Experimental and clinical gastroenterology",
year="2007",
author="Saĭfutdinov, R. G. and Sokolova, O. R.",
volume="",
number="4",
pages="11-18",
abstract="<p>[Abstract unavailable]</p> <p>Language: ru</p>",
language="ru",
issn="1682-8658",
doi="",
url="http://dx.doi.org/"
}