@article{ref1,
title="Non-fatal unintentional injuries and risk factors among male farmers-turned-construction workers with different age groups",
journal="Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi",
year="2010",
author="Zheng, Lei and Song, Xiao-qin and Wang, Zeng-zhen",
volume="28",
number="6",
pages="436-438",
abstract="<p>[Abstract unavailable]</p> <p>Language: zh</p>",
language="zh",
issn="1001-9391",
doi="",
url="http://dx.doi.org/"
}