1Otitis Media with Effusion and Venting System in Middle EarYU Lisheng, ZHENG Hongwei, HAN LinINVITED ORIGINAL CONTRIBUTION428-4302Th17/Treg Cells Mediated Pathogenesis in Otitis Media with EffusionCHEN Peiwei, ZHAO Chunli, WANG Danni, YANG Jinsong, LI Jie, ZHAO ShouqinOTITIS MEDIA WITH EFFUSION431-4373Outcomes and Complications of Surgery for Refractory Otitis Media with EffusionLIU Limin, GAO Zhen, JIA Xianhao, YUAN YashengOTITIS MEDIA WITH EFFUSION438-4424Efficacy of Myringotomy with Ventilation Tube Insertion and Tympanocentesis for Otitis Media with Effusion after Radiotherapy for Nasopharyngeal Carcinoma:A Meta-Analysis StudyZHAO Ranshi, QING Haomiao, ZHONG ShixunOTITIS MEDIA WITH EFFUSION443-4485Correlation between Wideband Tympanometry and Viscosity of Middle Ear Effusion and Air-bone Gap in Otitis Media with EffusionZHOU Guangjie, TONG BushengOTITIS MEDIA WITH EFFUSION449-4536Efficacy of CO2 Laser Myringotomy in the Treatment of Otitis Media with Effusion in ChildrenZENG Wei, CHEN Meizhen, FU Minyi, YE Fei, CHEN RongOTITIS MEDIA WITH EFFUSION454-4587Progress in Clinical Research on Steroid Hormones for Otitis Media with Effusion in ChildrenLI Xixing, CHEN Yumeng, ZHANG Guangyuan, ZHU Qingwen, CUI WeinaOTITIS MEDIA WITH EFFUSION459-4638Safety of Silastic Sheet in Middle Ear SurgeryWEI Xingmei, FENG Guodong, CHEN Longyun, WANG Xiaozhe, GAO ZhiqiangCLINICAL STUDIES464-4689Long-term Observation of Ear Molding in Older Infants within 100 Days with Congenital Auricular DeformitiesZHONG Zhen, LIU Yuhe, ZHANG Junbo, ZHANG Yanmei, REN Lei, QIN Yao, XIAO ShuifangCLINICAL STUDIES469-47410Correlation between EABR Threshold and Behavioral Audiometry Current Level Threshold in Cochlear implant RecipientsTANG Ming, ZHANG Panpan, DENG Hongxia, SHEN Yi, CHENG Lixin, WANG Kai, SHEN Zhisen, SHI WendiCLINICAL STUDIES475-48011Mutation Analysis and Genetic Counseling on Deafness Genes in 183 High-risk Families before PregnancyLI Qiong, LIANG Pengfei, WANG Shujuan, LI Wei, Wang Jian, QIU jianhua, ZHA DingjunCLINICAL STUDIES481-48812Assessment of Early Stage Rehabilitation of Late-implanted Prelingually Deafened Adolescents and Adults after Cochlear ImplantationLIU Riyuan, WANG Qian, KANG Shuoshuo, ZHANG Miao, JI Fei, LI JiananCLINICAL STUDIES489-49313Analysis of Pathogenic Bacteria Culture Results of External Auditory Canal Secretion in Preoperative Patients with Chronic Suppurative Otitis Media in HainanLI Xinjian, LIU Mingbo, LIU jun, HAN WeijuCLINICAL STUDIES494-49714Two-stage Repair of Partial Auricular Defects with Autogenous Costal CartilageLI Jingjing, HU Jintian, WANG Bingqing, WANG Yue, QIAN Jin, LIU TunCLINICAL STUDIES498-50115Characteristics of Tinnitus in Patients with Bilateral Symmetrical High Frequency SNHLGUAN Ruirui, ZHANG Bo, LI Ping, WANG Yanqi, WU Sasa, LUO Bin, SUN Jiaqiang, SUN JingwuCLINICAL STUDIES502-50516Clinical Characteristics and Etiology of 213 Children with Sensorineural Hearing LossDAI Jiren, XU Bing, ZHENG Jing, LIN Le Xi, LIU Jia, FU YongCLINICAL STUDIES506-51217Diagnosis and Treatment of Otogenic Intracranial Complications in 20 CasesZHANG Min, YAN Xudong, JI Caili, ZHNAG Chanyuan, CAO Songli, FU TaoCLINICAL STUDIES513-51618Clinical Outcomes of Endoscopic Ear Surgery for Congenital Middle Ear CholesteatomaHU Xingjia, YU Tao, ZHOU ShunhuaCLINICAL STUDIES517-52019Surgical and Endoscopic Approaches for Lateral Skull Base LesionsWANG Fangyuan, ZHANG Chi, HOU Kun, YANG Shiming, HOU ZhaohuiCLINICAL STUDIES521-52620Correlation between Acute Otitis Media in Children and Environmental-Meteorological FactorsWANG Xinlan, WANG Mei, XU Baicheng, Wang Jinyan, ZHONG CuipingCLINICAL STUDIES527-533 