1Clinical analysis of BIPAP and CPAP in the treatment of elderly OSOu Min, Zhang Chao, Fang Tingzheng114-1162Analysis of sleep quality and influencing factors on sleep quality among frontline medical staff in Hubei during COVID-19 epidemicXu Jing, Li Bozhi, Qi Jing117-1193Sleep disorders in different subtypes of gastroesophageal reflux disease and the effect of treatment on sleep disordersZhang Zedan, Huang Min, Tan Ping120-1224Study on the correlation between chronic pain and depression of centenarians in HainanYang Jihong, Mi Chaoxue, Zhu Qiao123-1275Clinical observation of alteplase thrombolysis bridged solitaire stent in treatment of acute ischemic strokeLi Shengyu, Huang Caiqiu, Wei Shengwei128-1316Correlation between serum S100β,CysC,IL-8 and cognitive impairment in patients with small cerebral vascular diseaseLi Xiuli, Ji Jinglei, Wu Lijuan132-1357Factors influencing the burden of the paid caregivers for the elderlyZhang Yiwen, Fan Li, Lv Yue136-1388Study on the relationship between helicobacter pylori infection and gastric flora in patients with peptic ulcerMeng Fanjie, Tong Wenzhen, Hou Yunxia139-1419Analysis of drug resistance of extended spectrum β-lactamases-produced by Escherichia coliGuo Qiongjie, Yang Liu, Yang Chen142-14510Analysis of efficacy and safety of laparoscopic gastrectomy for local advanced gastric cancer after neoadjuvant chemotherapyZhang Yufei, He Liang, Xu Guodong146-14911The value of serum D-lactic acid and diamine oxidase in patients with Crohn's diseaseWang Yamin, Chen Xufeng, Xiang Zhengguo150-15212In vitro drug sensitivity study of aztreonam combined with meropenem or ciprofloxacin to multidrug resistant pseudomonas aeruginosaGong Meiliang, Liu Yunxia, Zou Lin153-15513Statistics and analysis of ECG eigenvalues of Chinese populationDan Qing, Zhang Weiguang, Wang Jinli156-15814Comparison of aortic and carotid artery calcification in maintenance hemodialysis and peritoneal dialysis patientsZuo Xiaoli, Shang Hongxue159-16215Effect of intraarticular injection of chitosan combined with electroacupuncture on improvement of knee joint indexes in patients with knee arthritisYang Chunping, Dai Jing, Wen Jianmin163-16616The investigation and the analysis of osteoporosis status and influencing factors in a group of elderly people(≥70 years old) in TianjinShi Lei, Zhang Weili, Tian Jinwei167-169 