1The past, present and future in clinical application of pediatric gastrointestinal endoscopyWANG Bao-xiEDITORIAL821-8242Advantages of painless digestive endoscopy in the diagnosis and treatment of digestive tract diseases in childrenGUO Cheng, ZHANG LinSYMPOSIUM825-8283Endoscopic removal of special foreign bodies in the digestive tract of children and matters needing attentionREN Xiao-xia, FANG YingSYMPOSIUM828-8314Endoscopic therapy for colorectal polyps in childrenLI Xiao-qin, WANG Yue-shengSYMPOSIUM831-8365Application of tunnel endoscopy in the treatment of pediatric digestive diseasesHAN Ya-nan, FANG Ying, ZHOU Ping-hongSYMPOSIUM836-8406Endoscopic treatment for esophageal stenosis in childrenXU Jun-jie, ZHU Li-ping, ZHANG LeSYMPOSIUM840-8457Progress in endoscopic diagnosis and treatment of nonvariceal upper gastrointestinal bleeding in childrenYOU Jie-yu, JIANG NaSYMPOSIUM845-8488Perioperative management of digestive endoscopy in childrenZHU Zhong-sheng, WANG Zhao-xiaSYMPOSIUM848-8529Common complications and management of gastrointestinal endoscopy in childrenLIU Zhi-feng, JIN YuSYMPOSIUM852-85510Role of endoscope-guided placement of feeding tubes in enteral nutrition supportJIANG XunSYMPOSIUM855-85811Diagnostic and therapeutic value of enteroscopy in pediatric small bowel disordersWANG Yu-huan, HUANG YingSYMPOSIUM858-86212Diagnostic value of capsule endoscopy in children with gastrointestinal disordersFENG Yu-ling, LIU Hai-fengSYMPOSIUM862-86613Difficulties and prospects of gastrointestinal endoscopy for neonatesGENG Lan-lan, GONG Si-tangSYMPOSIUM866-86914The establishment of diagnostic criteria for asthma in children aged ＜ 6 yearsORIGINAL CONTRIBUTION870-87615Clinical value of chronotropic competence in children with vasovagal syncopeORIGINAL CONTRIBUTION877-880,90316Effect of percutaneous interventional treatment for coarctation of aorta in children :A report of 22 patientsORIGINAL CONTRIBUTION881-88517Clinical features and prognosis of children with acute lymphoblastic leukemia combined with myelofibrosis : An analysis of 208 casesORIGINAL CONTRIBUTION886-88918Clinicopathological features and treatment outcome of idiopathic membranous nephropathy in children: A report of 22 casesORIGINAL CONTRIBUTION890-89419Features of clinical phenotype in children with Alport syndrome with COL4A5 mutations: A report of 31 casesORIGINAL CONTRIBUTION895-89920Characteristics of pathogen of hospital infection in children with refractory Mycoplasma pneumoniae pneumonia and related factorsJI Zheng-xi, YAO Jin, SUN Zu-yinORIGINAL CONTRIBUTION900-903 