@article{ref1,
title="Preventive medicine--prevention of occupational diseases and industrial accidents",
journal="Hu Li Za Zhi",
year="1977",
author="Wu, C. J.",
volume="24",
number="3",
pages="15-23",
abstract="<p>[Abstract unavailable]</p><p>Language: zh</p>",
language="zh",
issn="0047-262X",
doi="",
url="http://dx.doi.org/"
}