1Progress in diagnosis and treatment of idiopathic pulmonary fibrosisLI Zhen-huaSYMPOSIUM353-3562Diagnosis and treatment of Legionella pneumoniaLIANG Si-cong, CHEN YuSYMPOSIUM357-3613Progress in the treatment of obstructive sleep apneaWANG WeiSYMPOSIUM362-3654Management of COPD from the perspective of GOLD reportHUA Jian-lan, ZHANG JingSYMPOSIUM366-3705Precision medicine therapy for bronchial asthmaLIU Ya-hui, SHI Guo-chaoSYMPOSIUM371-3766Interpretation of guidelines for diagnosis and treatment of pulmonary hypertensionLIU Lei, MA ZhuangSYMPOSIUM377-3817Progress of interventional respiratory diseases in 2019CHEN Di-Fei, SU Zhu-Quan, LI Shi-YueSYMPOSIUM382-3868Review of important clinical advances in diabetes mellitus in 2019LI Yang, MEI Cai-xia, MU Tong, LI Zi-ang, ZHANG Yu-weiNEW DEVELOPMENT OF MEDICINE387-3909Clinical characteristics and outcome analysis of 8 cases with COVID-19CAI Xu, KONG De-lei, WANG Zan-feng, YU Na, ZHAO Hong-wen, ZHANG Jie, ZHANG Jing-ping, WEN Ying, CHEN Bai-yi, LI Gui-chen, XIN Shi-jie, KANG Jian, WANG WeiORIGINAL CONTRIBUTION391-39510Sarcopenia in maintenance hemodialysis patients: risk factors and prognosisWANG Ya-mei, XING Li, CHENG Yan, ZHANG Jing-hua, ZHANG Yan, LIANG Xian-hui, WANG PeiORIGINAL CONTRIBUTION396-40011Assessment of short-term prognosis in CHD-PAH patients using ventricle end-diastolic diameter ratioZHENG Xuan, YAN Meng-huan, DENG Xiao-xian, JIN Bo-wen, LI Ya-ping, HU Yuan-ping, WU Yang, ZHOU Hong-mei, ZHANG Gang-chengORIGINAL CONTRIBUTION401-40412Application analysis of new gastric cancer screening scoring systemHAO Jin-yong, ZHANG Yao-ping, FENG Jie, HUANG Xiao-junORIGINAL CONTRIBUTION405-40813Effect of different therapies and other risk factors on medication adherence after insulin pump treatmentWANG Ling, REN Yue-zhongORIGINAL CONTRIBUTION409-41414Influence of Evolocumab injection on lipoprotein (a) and high-sensitivity c-reactive protein in patients with high low-density lipoprotein cholesterolZHANG Hai-tao, WANG Chun-yue, YE Shao-dong, TANG Yi-daORIGINAL CONTRIBUTION415-41915Investigation of correlation between the expression of mammalian target of rapamycin in placenta and gestational diabetic mellitusXU Shi-ting, LIU Li-chao, TANG Lei, LI LingORIGINAL CONTRIBUTION420-422,43716Research progress in the efficacy and safety of statins in the treatment of chronic liver diseaseJIANG Mei-chun, ZHU XuanREVIEW423-42717Research progress in the effects of hyperuricemia and hypouricemic medicine on non-alcoholic fatty liver diseaseLIANG Qian-yu, GUO Hong-huaREVIEW428-43218Research progress of non-invasive imaging in the evaluation of liver fibrosis in patients with chronic hepatitis BSONG Xue, RUAN BingREVIEW433-43719Diagnosis of Addison's disease during antituberculosis therapy: a case report and literature reviewLU Ya-nan, LI Wei, LI Yu-xiu, LIAN Xiao-lan, YOU Ting-tingCASE REPORT438-440 