1Expert advice on imaging diagnosis and medical identification of lumbar spondylolysis among military pilotsLI Xiangsheng, SONG Yunlong, WANG Jianchang, CUI Li, DU Junjie, DENG Lue, FAN Henghua, GUO Wei, YE Chaoqun, ZHONG Fanghu, ZHANG Xiangyang, ZHENG Jun, ZHOU Qianxiang, ZHENG Kuihong, LI Mingli, LU Qinyan, WU Lijun, ZHANG Jinlong, JIANG Ruijing1-4,152Design of a night vision imaging systemWANG Cong, YU Fei, YANG Minghao, LI Yuliang, ZHENG Yuanjing, CHEN Shan, JIA Hongbo5-83A classifcation model of chronic low back pain in pilots based on EEG signal analysisGUO Wei, ZHAO Qi, ZHOU Tianyi, ZENG Hao9-12,224Duration of bicycle power incremental exercise of 215 fghter pilotsHU Shan, SHEN Qijing, XU Jianhua, LI Jiaojie13-155Load resistance ability related body circumferences of students in 16 teenager's aviation schools of Air ForceLI Xiaojie, JIN Liang, DU Junjie, ZHANG Lingjie, LI Hao, WANG Wenchen, CHEN Yufei, JI Baomin, ZOU Zhikang16-18,336Medical history investigation in primary selections of fying cadets from four provinces in Central and Southern ChinaWANG Wei, DUAN Xianglong, ZHENG Qiang, LV Qingming, ZHAO Ziyuan, LIU Jin, ZHOU Kai, HU Dinggao, SHU Lingxia, ZOU Zhikang19-227Comparative analysis of medical grounding of fghter aviators in 2015—2019WANG Hanyue, YU Dongrui, ZHENG Jun, LIU Hongjin, FU Zhaojun, WANG Xing, WANG Jun, CUI Li23-26,368Rescue of four patients with severe craniocerebral injury via aeromedical evacuationLI Jing, LI Changdong, WANG Kai, HAO Yelu, CAI Zhibiao27-299Hyperuicemia and nonalcoholic fatty liver disease in military aircrewsCHEN Hong, DONG Wenqin, CUI Lizhi, LUO Yang, WANG Hongrong, WANG Yanren30-3310High normal blood pressure in aircrewsZHANG Liyun, CHU Xueyan, WANG Tianhua, LI Haitao, ZHOU Yuchao, GENG Yan, LI Simin34-3611Efect of transcutaneous nerve electroacupuncture stimulation on expressions of bone morphogenetic protein-2 in osteoporotic ratsBAI Zhongxi, ZHANG Bao, QIAO Yuyin, WANG Meng, CUI Lin37-4012The efect of down-regulation of YAP on TGF-β1 mRNA in human hepatocellular cancer cell line 97HWANG Cheng, KONG Yalin, LIU Chengli, PU Meng, ZHAO Gang, ZHANG Hongyi41-4413Efect of thymosin on the immune function of super old patients with malignant tumorsGE Shujing, SI Bingxin, CHEN Ying, LI Qi, ZHANG Ruoqi, ZHU Peiyu, DUAN lianning45-4714Clinical characteristics of 16 cases of young patients with breast cancerMAO Zhiyuan, LIU Juqin, WANG Yu, YU Haiyan, JIN Ying, YUAN Xiaomei, SUN Lulu, FAN Zaiwen48-5015Diagnosis of benign and malignant thyroid nodules by color Doppler ultrasonographyFEI Xiangwu, BU Xiaohui, ZHANG Cheng51-5316Efect of 5 d cardiac rehabilitation program on patients with acute myocardial infarction after PCIGUO Xiaolan, WEI Pan, LI Fenna, WANG Zhen, CHENG Miaomiao, LANG Hongjuan54-5817Relationships between vitamin D levels in cord blood and eczema in early infancyTANG Xuewu, WANG Wenge59-6218Efects of rofumilast on infammatory response and oxidative stress in patients with AECOPDQIAN Wei, XIONG Hao63-6619Effect of antihistamine promethazine on cognitive and balance performance of healthy volunteersGAO Rong, MA Yazhong, ZHAO Haixia, WANG Zhaoyuan, ZHANG Weihong, ZHANG Huafeng, YUAN Hailong67-7020Infuence of spatial disorientation on aviation and the training of reducing accident rateZHANG Lin, YAO Qin, LIU Juan, ZHAO Xianliang, LIU Lin, BAI Shuang, LIU Qiming, ZHENG Yingjuan71-74 