[Focus on sleep related hypoventilation due to a medication or substance].

@article{Li2016FocusOS,
  title={[Focus on sleep related hypoventilation due to a medication or substance].},
  author={Qin Y. Li and Qiong Wang},
  journal={Zhonghua jie he he hu xi za zhi = Zhonghua jiehe he huxi zazhi = Chinese journal of tuberculosis and respiratory diseases},
  year={2016},
  volume={39 8},
  pages={582-3}
}