@article{ref1,
title="Study on college students suicide",
journal="China youth study",
year="2011",
author="Liu, Wei and Zhou, Xianglong",
volume="2011",
number="2",
pages="88-90",
abstract="<p>[Abstract unavailable]</p>",
language="zh",
issn="1002-9931",
doi="",
url="http://dx.doi.org/"
}