1Factors influencing the outcome of 34 patients with COVID?19ZHUO Li, WEI Fangfang, ZHOU Jianqun, WU Maosheng, LI Wenli, XU Ruirong, LU Eying, WANG QianCoronavirus(COVID?19)1861-18652Risk factors for disease severity of COVID?19ZHANG Lei, JIANG Wei, ZHENG Yuwen, YAN Zheng, WU Beibei, LI Dongsheng, XIONG XiaofangCoronavirus(COVID?19)1866-18713Value of high resolution multi?slice spiral CT in diagnosis and efficacy evaluation of children with COVID?19CHEN Jun, WANG Xianfeng, ZENG JiaxingCoronavirus(COVID?19)1872-18764Application and research progress of hydroxychloroquine in non?malaria diseasesYUAN Xinke, ZHOU Lut-ing, HUANG YinghongClinical Advances1877-18815Effect of silencing CaSR on urinary calcium excretion in rats and its effect on CLDN14CUI Qingpeng, LIU Xiaodong, FAN Shicheng, ZHU Yuanquan, LUO Yun, LUO YuhuiClinical Advances1882-1885,18916Effect of forkhead box?F1 expression on epithelial?mesenchymal transition ,migration and invasion of non? small cell lung cancer cells and its mechanismZHONG Shengpeng, YIN Jun, FU Wenfan, JIANG Zeyong, DAI Lu, DENG Boyun, ZHAO JianClinical Advances1886-18917Effects of dexamethasone on macrophage polarization and cardiac function after myocardial infarction in ratsSONG Jizhe, LIU Chenglin, DU AilingClinical Advances1892-18968Enhancement of chemosensitivity to cisplatin in non?small cell lung cancer through MiR?92b?3p by targeting RAD21PAN Youguang, FU Wenfan, MO Yijun, ZHAO Jian, CHEN GangdongClinical Advances1897-19029Long?chain non?coding RNA SNHG14 inhibits proliferation and invasion of bladder cancer cells via miR?217?5p/FHIT molecular axisLU Shuaiqi, YANG Lingbo, QIN Shuaifeng, ZHANG Han, SUN JiantaoClinical Advances1903-190710Relationship between frailty and sleep disturbances of the elderly in Guangzhou provinceFAN Shaoyi, XU Fuping, PEI Zhong, LIANG Ximin, YUN Tianchan, YANG ZhiminClinical Research1908-191211Relationship between the level of 25 hydroxyvitamin D in cord blood and neurodevelopment in 6?month? old infantsWEI Ru, ZHANG Yue, MA Jie, WU Zhihua, TAN Meizhen, TAO Li, WANG JingClinical Research1913-191812Effect of corneal diopter on the selection of calculation formula of intraocular lens in patients with high my? opia complicated with cataractXU Zepeng, LI Songtiao, LI Kunmeng, GUO Haike, JIN Haiying, AN Meix- ia, YU Xiaoyi, TIAN NiClinical Research1919-192313The role of composite mitral valvuloplasty inrheumatic mitral valve complex lesionsFU Zhikun, YANG Huijuan, YANG Heng, DONG Yan, DU Peng, GUO Lin, YU Huijuan, ZHANG XiangliClinical Research1924-192814Study of maintenance therapy after first?line treatment of patients with newly diagnosed metastatic naso? pharyngeal carcinomaLIAO Kai, ZHENG Ronghui, FENG Jianhui, TAN JinyunClinical Research1929-193315MDCT features and clinicopathological correlation of Borrmann type Ⅳ gastric cancerWANG Xinyun, NI Jing, REN Gang, CAI RongClinical Research1934-193816Expression and clinical significance of autophagy?relatedgenes LC3 and ATG5 in gastric cancerXU Xiangyun, CHEN Shuchang, KONG Dejiu, HOU Xinxin, CHEN Qiang, CHEN JingClinical Research1939-194517Relevant factors of in?stent restenosis after percutaneous coronary intervention with drug?eluting stentsZHANG Feifei, XIE Yuetao, LIU Litian, SONG Xuelian, HAO Qingqing, YAO Yao, DANG Yi, QI XiaoyongClinical Research1946-195118Combined hearing and genetic screening in 6957 newbornsYANG Yan, LIU Yanqiu, LUO Haiyan, ZOU Huanhuan, MA PengpengClinical Research1952-195719The effect of uterine artery embolization on the reproductive outcome of cesarean scar pregnancy and mas? sive hemorrhage patientsLI Tao, YAN Yanfang, HUANG Xiaoqing, XIE Zhijiang, XIE Ya′nanClinical Research1958-196120Analysis of intrauterine outcomes and prognostic factors in fetuses with solitary mild and moderate lateral ventricular wideningJIANG Meihua, CHEN XianxiaClinical Research1962-1967