1Correlation between vitamin D and pregnancy outcome in pregnant women with gestational diabetes mellitus in Nyingchi regionHUANG Yu-xin, LI Dian-jie, PAN Shi-lei, CUO Yong, ZHAO Xi, TIAN Li-ping, CIREN Wangmu, QIANGBA Zhuoga, ZHU Hong-lei225-2282Nasal high-frequency oscillatory ventilation versus nasal continuous positive airway pressure in preterm infants with respiratory distress syndromeLIU Ying, NIE Chuan, YAN Hui-heng, HUANG Xiao-rui, GAO Wei-wei229-2333Analysis of the epidemiological and etiological changes of hand, foot and mouth disease in Huizhou from 2016 to 2018.XIE Zhong-yong, LU Yuan-da, YANG Kun-xiang, SONG Zu-qiong234-2374The effect of epidural analgesia at different stages on maternal and infant serum cortisol,endothelin-1 and nitric oxide.MA Huan-huan, LI Guo-qin, WANG Jian, LIU Xiao-ou238-2425Study on the expression and regulation mechanism of miR-10b in patients with nasopharyngeal carcinoma.LIU Chun-li, ZHANG Jie, GUO Xia, LIANG Yuan, ZHANG Sheng-lin243-2466Correlations between levels of serum protein kinase C, nuclear factor-κB and disease severity or prognosis in patients with cerebral thrombosisQU Dong-mei, RAO Lei-ping, QIU Xi-xi, FANG Hui247-2517The correlation between circulating tumor cells and the clinicopathological characteristic of endometrial carcino-ma.HUANG Shan-yu, LI Xiao-mao, YE Hui-xia, DING Jie, FANG Li252-2568Peripheral lymphocyte subsets in high -risk HPV -infected infertility women.LI Yan-hua, ZHOU Shao-xiong, XUE Jia-quan257-2609Effects of short-term and pulsed high volume hemofiltration on inflammatory mediators and body temperature in sepsis patients complicated with acute kidney injuryYANG Jie-zhang, XING Qiao-rui, HUANG Su-zhen261-26410Analysis of correlation between incarcerated site of ureteral calculi and clinical featuresCHEN Bang-sheng, YU Xiao-ling, LIU Jie-quan, MAO Fei-yan, WANG Hou-xing265-26811Comprehensive rehabilitation care program ameliorates cognition impairment, anxiety, depression and relapse of acute ischemic stroke patientsZHANG Jin-ying269-27312Short-term efficacy and safety observation of Treprostinil on perioperative pulmonary arterial hypertension in children with congenital heart diseaseWANG Ya-zhou, ZHANG Du-fei274-27713Investigation report of oral health institutions and health workforce in Guangdong ProvinceYANG Xiao-ting, LI Jian-bo, FAN Wei-hua, HUANG Shao-hong306-311 