@article{ref1,
title="An overview of workplace violence in hospital",
journal="Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi",
year="2017",
author="Zhao, J. B. and Qi, J. and Zou, J. F.",
volume="35",
number="8",
pages="638-640",
abstract="<p>[Abstract unavailable]</p> <p>Language: zh</p>",
language="zh",
issn="1001-9391",
doi="",
url="http://dx.doi.org/"
}