Comorbidity patterns and associated characteristics in children with obstructive sleep apnoea–hypopnoea syndrome in Shanghai, China: a cross-sectional study
Ziyun Li, Xiang Gao, Ning Chen, Liang Zhou, Hui Wang, Chen Chen, Yan Yang, Dehua Yu, Hua Jin, Huining Zhou, Tianchun Hou, Jiaoling Huang, Zhaoxin Wang, Jianwei Shi
BMJ Open Dec 2021, 11 (12) e053007; DOI: 10.1136/bmjopen-2021-053007