@article{ref1,
title="Database on death and related risk factors in Chinese people established",
journal="Zhonghua Liu Xing Bing Xue Za Zhi",
year="2004",
author="Yang, Gong-huan",
volume="25",
number="7",
pages="642-643",
abstract="<p>[Abstract unavailable]</p> <p>Language: zh</p>",
language="zh",
issn="0254-6450",
doi="",
url="http://dx.doi.org/"
}