1Circulating fibroblast growth factor 21 in diabetic patients with ketosisBAI Xiuping, YANG Guohua, WU Lifang, GAO Min, LI Xing483-4852The influence of freeze-thaw cycle and fresh cycle embryo transfer on clinical pregnancy outcome of patients undergoing IVF-ETLI Li486-4883The value of 3D FS-balanced-nSSFP sequence in displaying cysts around sacral nerve rootsLI Xingfu, WANG Qingyun, QI Qiang, QIAN Huirong, LIU Xiao, CHEN Zhenping489-4924Study on the differential diagnosis of different types of endometriosis by chemiluminescence combined with immunohistochemistryLIU Yanfei, LIU Wenwen, GUO Lei, ZHANG Yi, GAO Tianyang492-4955Effect of dexmedetomidine nasal spray on vital signs and restlessness during recovery from sevoflurane anesthesia in children with supracondylar fracture of humerusMO Bei, HE Peijuan495-4986Efficacy evaluation of shengxuebao mistura combined with polysaccharide iron complex on the treat-ment of postpartum anemiaCHEN Jing, DAI Guoliang498-5007Effect of family doctor's dual coping intervention of patients with type Ⅱ diabetesLYU Zhiguo, WEN Meilan, YU Yongchao, HU Yanping, LIU Qiongli500-5048Study on lutein intake level and eye-related symptoms of primary and middle school studentsHUANG Jianhuan, HE Weiran, LIAO Zhiqun504-5079Application of the changes of peripheral blood lymphocyte subsets and immunoglobulin in children with infectious mononucleosisLI Shuiping, XIONG Jianbing, LI Zhe507-508,53610Study on lituodrine hydrochloride injection in the treatment of threatened premature birth and its effect on newbornsLI Lihui509-51111Curative effect observation of massage combined with lower cervical segment resistance movement in the treatment of cervical spondylosisZHANG Rui, JING Jiang514-51612MRI diagnosis and clinical significance of postpartum placenta accreteFU Fuwen, ZHANG Jie, LIANG Minqun, YAN Guanghui523-52513Identification of 6 synthetic pigments in Chinese medicine by HPLC-MS/MSREN Rongjun, LU Daliang, LI Huimin, OUYANG Yi527-53014Analysis on new drugs approved by US FDA in 2019ZHOU Weijun, WU Dongmei, GAO Yang, WANG Miao, ZHOU Ruiqi531,56015Effect of preoperative nursing intervention on psychological and postoperative recovery of patients with gastric cancerSHEN Jia, WANG Deli542-54516Observation on the effect of non-contact urinary catheterization in patients with spinal cord injury and neurogenic bladderGONG Yan, HU Hui545-54717Nursing research of bronchial thermoplasty for severe bronchial asthmaDENG Haiqun, YANG Jie, LU Miao551-553 