1Anti-viral therapy for chronic hepatitis B and its long-term prognosis: Chinese guideline for prevention and treatment of chronic hepatitis B (2019 version)-interpretation of update pointsSHENG Qiu-ju, HAN Chao, DING Yang, DOU Xiao-guangSYMPOSIUM441-4452Natural history of chronic HBV infection and adverse clinical outcomesWU Wen-yu, LI Wei-na, NING QinSYMPOSIUM446-4503Research progress of antiviral end-point markers in chronic hepatitis BLIU Zhi-hong, LING Xiao-zhang, JIANG Jian-ningSYMPOSIUM451-4564Progress in the study of antiviral therapy promotes recompensation of decompensated hepatitis B-related liver cirrhosisLUO Chang-ling, CAO Ying, XIE WenSYMPOSIUM457-460,4655Hematological changes in COVID-19 patients: early indications of diagnosis and progressionLIU Xiao-qing, ZHANG Run, HE Guang-shengSPECIAL CONTRIBUTION461-4656Efficacy and safety of tenofovir alafenamide fumarate in pregnant women at HBV-infected immune-tolerant phaseTIAN Wen-yue, SHENG Qiu-ju, ZHANG Chong, DOU Xiao-guang, DING YangORIGINAL CONTRIBUTION466-4707Clinical features of cytomegalovirus pneumonia in non-AIDS, non-transplanted immunocompromised patientsZHAN Yang-qing, ZENG Pei-ying, CHENG Lin-ling, PAN Feng-yu, CHEN Rong-chang, YE FengORIGINAL CONTRIBUTION471-4758Clinical significance of body mass index in psoriatic arthritisSONG Hai-ning, LI Bei-bei, YANG Ping-tingORIGINAL CONTRIBUTION476-4809Diagnostic value of echocardiography combined with cardiac markers in patients with sepsis-induced cardiac insufficiencyCHEN Su-mei, Gulibahaer, TIAN Pei-gang, CHENG Qing-hong, WENG Guo-peng, WANG Yong-chunORIGINAL CONTRIBUTION481-48610Expression of urinary exosomes in patients with idiopathic membranous nephropathy and its clinical significanceLI Ru-meng, LI Chai, GENG Le, XU Tian, WANG Li-li, ZHOU Hua, ZHANG Bei-ru, SUN Guang-ping, SU Xue-song, WANG Yan-qiuORIGINAL CONTRIBUTION487-49211Effects of aerobic exercise combined with resistance exercise on micro-inflammation and T cell subsets in patients with peritoneal dialysisNIU Tie-ming, HAN Yi, LUAN Xun-fei, DONG Qing-ze, FU Chang, HUANG Tian-yi, WANG Huan, ZHAO Liang, LI De-tianORIGINAL CONTRIBUTION493-496,50112Analysis of clinical and ultrasonographic features of joint involvement in patients with Behcet's diseaseDENG Xue-rong, HE De-ning, SUN Li-ping, ZHANG Zhuo-liORIGINAL CONTRIBUTION497-50113Clinical analysis of 20 cases of pulmonary cryptococcosisLI Sheng-nan, GAO Zhan-cheng, CHEN Yan-wenORIGINAL CONTRIBUTION502-50414Research progress in fungus-related allergic diseases of lower airwayZHANG Jin-tao, DONG LiangREVIEW505-50815Several clinical problems of community-acquired pneumonia caused by hypervirulent Klebsiella pneumoniaeLI Guo-qiangREVIEW509-51216Several issues in long-term treatment of stable chronic obstructive pulmonary disease with macrolidesMA Nan, HE Zhi-yiREVIEW513-51517Research progress in the relationship between obstructive sleep apnea and atherosclerosisQIU Dan, YANG Ting-ting, HUANG Li-hua, YU QinREVIEW516-52018Omalizumab in the treatment of drug rash without IgE elevation: a case report and literature reviewYUAN Xiao-hui, CHEN Li-yan, HE Yao-wei, SU Zhuo-ying, FAN Zi-chuanCASE REPORT521-52519A case report of infective endocarditis manifested as bilateral exudative pleural effusion due to Streptococcus gordoniiCHENG Si-jun, DONG Ying, FU Fang-jie, JIN Li-yuan, LIU Jun-xiu, ZHENG Wei, ZHAO Li, CHEN YuCASE REPORT526-528 