@article{ref1,
title="Obstructive sleep apnea-hypopnea syndrome and complications thereof",
journal="Zhonghua Yi Xue Za Zhi (Beijing)",
year="2007",
author="Chen, Ning-hong and Zhuang, Li-bang and Zhou, Yu-ting",
volume="87",
number="31",
pages="2167-2168",
abstract="<p>[Abstract unavailable]</p><p>Language: zh</p>",
language="zh",
issn="0376-2491",
doi="",
url="http://dx.doi.org/"
}