1Study on Application of PRP Gel in the Operation of comminuted Fracture in Anterior wall of maxillary sinus under Nasal EndoscopicLI Yi, Yue Wei, Zhang Xiujing, Ma Wenlai, Zhang Lingmin, Zhang SunaiORIGINAL ARTICLES232-2352The research of hearing screening techniques in newborn hearing screeningWu Xiaohui, Chen LingyanORIGINAL ARTICLES236-2383The clinical research on surgical treatment of 33 cases with medullary thyroid carcinomaMa Shihong, Liu Qinjiang, Zhang YuliORIGINAL ARTICLES239-2444Clinical diagnosis and treatment of 107 cases of thyroid microcarcinomaWang Xiaolong, Wang Jun, Fan Xiangda, An Ning, Man Guodong, Song Yiding, Duan YingORIGINAL ARTICLES245-2485Assessment of feasibility of budesonide inhalation in the treatment of children with acute laryngitisWang Yong, Zhang YanORIGINAL ARTICLES249-2526Assessment of the effect of nasal mask positive pressure ventilaton on the treatment of obstructive sleep apnea patients with arrhythmiaXie Huaiquan, Fang Jun, Chen GuohuaORIGINAL ARTICLES253-2567Efficacy surgery of closed reduction of cricoarytenoid joint dislocation under stroboscopic electronic dynamic laryngoscopeWang Shaohua, Yao Mengwei, liutao, Li XiaoyuORIGINAL ARTICLES257-2598Methods to explore the treatment of congenital preauricular fistula infection periodWang Fang, Wang Shaohua, Yao Mengwei, liutao, Li XiaoyuORIGINAL ARTICLES260-2629Clinical curative effect of treating coronary heart disease with angina pectoris byXie Huaiquan, Fang Jun, Chen GuohuaORIGINAL ARTICLES263-26510Temproal bone fracture and ossicular chain injuriesOVERVIEW266-26811Current status and progress of surgical treatment of medullary thyroid carcinomaOVERVIEW269-27112Carcinomashowing thymus-like differentiation a case reportCASE REPORTS272-27313A case of tracheocutaneous fistula closureCASE REPORTS274-27514One case with nasal toothCASE REPORTS276 