The Latent Class of Clinical Subtypes of Obstructive Sleep Apnea and the Analysis of Characteristics of Initial Exposure to CPAP Therapy 
QIU Jian,CHENG Jinxiang1REN Jiafeng,SUN Shuyu,ZHAO Xianchao,JIANG Yingcong,SU Changjun
Chinese General Practice . 2021, (14): 1745 -1751 .  DOI: 10.12114/j.issn.1007-9572.2021.00.161