European Archives of Oto-Rhino-Laryngology

, Volume 276, Issue 12, pp 3557–3558 | Cite as

Aging effect on sleepiness and apneas severity in patients with obstructive sleep apnea syndrome

  • Guan-Jiang HuangEmail author
Letter to the Editor


Author contributions

Dr. G-JH drafted and revised the letter.



Compliance with ethical standards

Conflict of interest

The author declares that he has no conflict of interest.

Ethical approval

This article does not contain any studies with human participants or animals performed by the author.


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of OtorhinolaryngologyThe Second Affiliated Hospital, School of Medicine, Zhejiang UniversityHangzhouChina

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