@article{ref1,
title="An accident of acute ammonia poisoning",
journal="Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi",
year="2007",
author="Yang, GJ and Qin, Hong",
volume="25",
number="4",
pages="256-256",
abstract="<p>[Abstract unavailable]</p> <p>Language: zh</p>",
language="zh",
issn="1001-9391",
doi="",
url="http://dx.doi.org/"
}