1Current status and future trend of the treatment of hysteroscopic cold scissorsSUN Dan, WU Mei-rong, XU Da-bao107-1112Analysis on the application effect of hysteroscopic cold knife technique in day surgeryLING Dan, ZHAO Ren-feng, LAI Li-kun112-1173Application status and prospect of hysteroscopic cold knife techniquesYAN Yu-hua, LING Dan118-1224Clinical analysis of 8 cases of type Ⅰ cornual pregnancy treated by hysteroscopic cold knifeQIAO Ming-jing, LUN Bing, SHI Kai-ge123-1265Observation on the clinical effects of two kinds of hysteroscopic cold knife on the treatment of moderate and severe intrauterine adhesionsTAN Lin, ZHOU Jing, QIU Le-le127-1306Comparison of the clinical effects of two kinds of hysteroscopic surgery in resection of multiple endometrial polypsZHANG Li, CHEN Yan, HAN Jiao-jiao131-1347Construction of sorafenib-resistant hepatocellular carcinoma cell line and study on its drug-resistant mechanismZENG Qiong-rong, LIU Ze-feng, WANG Wen-juan135-1408An exploration on the changes and effects of vitamin D levels in children with simple obesity after comprehen-sive weight loss interventionLI Shi-han, LI Rui-zhen, HE Pei-ling140-1459Effects of different ventilation strategies on mechanical power and inflammatory factor levels in patients under- going laparoscopic colorectal cancer surgeryWANG Zuo-huan, WANG Lin, CAO Yang145-15010Effect of prophylactic levofloxacin on reducing the risk of infection during CAT treatment in children with acute lymphoblastic leukemiaTANG Yun-yun, WANG Ning-ling, LIU Kang-kang151-15511Efficacy evaluation of vertebral bone marrow fat fraction detected by 3. 0T MRI IDEAL-IQ in diagnosis of osteoporosisHUANG Guo-qiang, TANG Qi-ying, WANG Fu-nan156-15912Analysis on the efficacy of laparoscopic cystic duct V cutting and molding in treatment of type Ⅱ Mirizzi syn-dromeTIAN Ye, CAO Xiao-fei, ZHOU Jing160-16413Clinical analysis of interventional therapy for children with patent foramen ovale:a report of 21 casesSUN Sheng-tao, LI Yin-feng, MA Yun-xia164-16714Effects of obstructive sleep apnea hypopnea syndrome on maternal and infant outcomes in the pregnant women in the second and third trimestersZHANG Li-min, LIU Li, YANG Jin-li168-17215Observation on the clinical efficacy of biofeedback combined with prucalopride in treatment of senile functional constipationCHENG Xiu-qin, WANG Liang-jing, PAN Shu-bo172-17616Research progress on the mechanisms of adenosine receptor in affective disordersFENG Dan, ZHANG Biao, TANG Ming-zhi186-19017Progress in mechanisms of Bruton's tyrosine kinase inhibitor-induced atrial fibrillationGAO Shi-hao191-19418Advances in molecular mechanisms related to ovarian hyperstimulation syndromeWANG Tian, MO Shao-kang195-199 