1Discussion on the status quo and norms of epidemiology research of osteoarthritis in ChinaMEI Yi-fangSYMPOSIUM663-6652Autophagy, osteoarthritis and rehabilitationsZHANG Yue, ZOU Ling-hua, ZENG Hui-qiong, YE Zhi-zhong, ZHANG Zhi-yiSYMPOSIUM666-6693A better knowledge of the relationship between osteoarthritis and osteoporosis may help the stratification treatmentHU Nan, HE LanSYMPOSIUM670-6734Osteoarthritis and immunityTAN Zhen, LI Xiao-meiSYMPOSIUM674-6765Progress in the application of mesenchymal stem cells in the treatment of osteoarthritisKE Yi-ni, LIN JinSYMPOSIUM677-6806Osteoarthritis and metabolismZHAO Yang, DING Chang-haiSYMPOSIUM681-6847Effect of different interfaces on FiO2 and CO2 rebreathing during noninvasive positive pressure ventilationLU Jie, SUN Yu-han, ZHANG Ting-ting, LI Xin-yu, TAN Wei, DAI BingORIGINAL CONTRIBUTION685-6898Clinical features of patients with pulmonary thromboembolism complicated by hemoptysis and the prognosis analysis during hospital stayFAN Jing-wen, YE Xiao-hua, QIAO Li-song, YANG He, JIN Jin, TAN Zheng, FANG Bao-ming, XU Xiao-maoORIGINAL CONTRIBUTION690-6939Risk factors of venous thromboembolism and evaluation of existing risk assessment models for predicting venous thromboembolism in medical oncology inpatientsMEN Xue-qian, LI He-ming, DONG Qian, WANG Yuan-he, ZHOU Jin, LI Yan-rong, ZHANG Jing-dongORIGINAL CONTRIBUTION694-69710Efficacy and safety of Nintedanib for idiopathic pulmonary fibrosis: a meta-analysisWANG Yi-ran, YE QiaoORIGINAL CONTRIBUTION698-70411Relationship between peripheral serum cystatin C level and cognitive dysfunction in elderly patients with acute cerebral infarctionLI Wu-yan, YUAN Yan-pengBRIEF REPORT705-70712Efficacy and safety analysis of different bortezomib administration methods for newly diagnosed multiple myelomaZHANG Hong-mei, LIU Xi-yang, LIU Yang, FANG Bai-jun, LIU Yu-zhang, LIU Li-na, LIN Quan-de, MEI Zhen-yang, SONG Yong-pingBRIEF REPORT707-71013EOS ratio in eosinophilic bronchitis and its correlation with small airway dysfunctionDENG Guo-sheng, ZHOU Cai-yan, WU Xiao-hua, LI Jiao-wu, QIN Yin-yin, LI Ming-xia, ZHANG Ting-tingBRIEF REPORT711-71214Cohort study on the effect of comprehensive internal medical treatment on the distribution of immune cells in patients with esophageal carcinomaLI Lu, XU Yan-xia, REN ChenBRIEF REPORT713-71515Application of external water pump in enteroscopyLIN Yan-feng, ZHANG Ying-xiu, FU Zhao-li, LIN Mei-shun, CHEN Jia-mei, ZHANG Bei-ping, LIU Tian-wenBRIEF REPORT716-71716Level of cartilage oligomeric matrix protein in systemic sclerosis and its clinical significanceZOU Bo, ZHAO ShanBRIEF REPORT718-71917Study of sleep disorders in patients with chronic obstructive pulmonary diseaseXING Chong, WANG WeiREVIEW720-72418Clinical practice of Eltrombopag in thrombocytopeniaLIU Jian-xin, JIANG BinREVIEW724-72719Research progress in airway microbiome in chronic obstructive pulmonary diseaseQI Yu-jing, HE Zhi-yiREVIEW728-73020Research progress in intestinal flora in common rheumatic immune system diseasesLI Chen-yang, WANG Xiao-feiREVIEW731-734 