1Flexible flatfoot in children and adolescents:where are we?WANG En-bo, LI Xiong-tao, YAN WeiSpecial article641-6452Analysis of complications of the treatment of radial neck fracture using elastic intramedullary nail in childrenYU Tie-qiang, ZUO Yu-ming, WAN Guang-liang, YI Fan, QU Wei, LI Li-zhi, WANG Lei, PANG Hai-taoPediatric orthopedics646-6503A analysis of the effect of anterograde elastic intramedullary nail and retrograde Kirschner wire treatment for pediatric distal radius diaphyseal metaphyseal junction fractureMENG Ge, MA Hai-long, GUAN Zhi-ye, JIA Guo-qiang, YUAN Yue, LI Yang, SUN JunPediatric orthopedics651-6564Analysis of related factors of residual acetabular dysplasia after closed reduction in children with DDH within 2 years oldTANG Yi-shen, FENG Lin, CHEN Shan-benPediatric orthopedics657-6615Epidemiological investigation of fractures in 1263 children from UrumqiDENG Guang-hua, CHEN Rong, TAN Zhe, CHEN Ping-bo, WANG HongPediatric orthopedics662-6656Analysis of Masqueletvsecond-stage bone grafting timing on lower limb bone defectsWANG Hao-ran, WANG Han, JI Zhen-gang, ZHOU Zhi-bin, HAN Tian-yuOriginal article666-6707Biomechanical study of medial wall internal fixation of proximal femurGU Zi, XU Kai, LI Kai-nanClinical research and practice678-6848An artificial intelligence model combining a composite inflammatory-immune response score to assess postoperative delirium of patients after spinal surgeryWANG Yu, ZHU Ai-man, LU Qing, ZHANG JingClinical research and practice685-6949A meta-analysis of the efficiency and safety of the topical application of vancomycin to reduce SSI in posterior spinal surgeryWANG Da-wei, YIN Xin, WANG Hua-dong, LI Li, LIU Yi-hao, YUAN Yan-li, YANG Ya-fengMeta-analysis695-70310Progress and prospect of finite element analysis in evaluating internal fixation methods of femoral neck fractureQI Yuan-bo, WANG Dao-feng, LIU Dao-hong, TAO ShengReview704-71011Comprehensive management of the perioperative malnutrition risk of hip fractures in the elderlyHUANG Li-yin, ZHANG Ying, CAO Zhi-dongReview710-71512Advances of mesenchymal stem cell therapy for psoriatic arthritisZHANG Hui, DONG Bo, YUAN Pu-wei, LIU De-yu, KANG Wu-linReview715-720 