1Oxygen therapy in preterm infantsCHANG Li-wenSYMPOSIUM81-842Management and controversy of patent ductus arteriosus of preterm infantsPAN Yu-qing, XUE Xin-dongSYMPOSIUM85-883Drug therapy for apnea of prematurityDU Li-zhongSYMPOSIUM88-924Analgesia and sedation in preterm infantsHU Li-yuan, ZHOU Wen-haoSYMPOSIUM92-955Feeding intolerance in preterm infantsXIA Hong-ping, ZHU Jian-xingSYMPOSIUM95-996Metabolic bone disease of prematurityZHANG Le-jia, DING Guo-fangSYMPOSIUM100-1047Efficacy and safety of probiotics applied to preterm infantsMU De-zhiSYMPOSIUM104-1078Interpreting "Respiratory support in preterm infants at birth"CHEN Chao, YUAN LinGUIDELINES UNDERSTANDING108-1119Application progress on the prevention of probiotics on the neonatal necrotizing enterocolitisZHENG He-juanCLINICAL PROGRESS112-11510Progress in the medical therapy of congenital hyperinsulinismHUANG JiaCLINICAL PROGRESS116-12011Management strategies and suggestions in pediatric off-labeled use of drugZHU Xiao-hong, JIANG De-chunCLINICAL DISCUSSION121-12312Clinical analysis of 140 cases of pediatric peptic ulcerCHEN Feng, LIU Wen-li, GENG Lan-lan, XIE Xiao-li, GUO Yan-fang, ZHU Chao-minORIGINAL CONTRIBUTIONS124-12713Value of single-balloon enteroscopy in the diagnosis and treatment of children with Peutz-Jeghers syndrome in 7 casesLUO Yan-hong, YOU Jie-yu, LIU Li, ZHAO Hong-mei, OU'YANG Hong-juan, CHEN Wei-jianORIGINAL CONTRIBUTIONS128-13214Effect of miR-100 and miR-99a on cell proliferation and apoptosis in pediatric acute lymphoblastic leukemiaTANG Yan-lai, HUANG Li-bin, WANG Li-na, LI Yu, KE Zhi-yong, LUO Xue-qunORIGINAL CONTRIBUTIONS133-13715Study of relationship between the polymorphisms of TLR9 and EBV infection in childrenL(U) Xin-tong, CHENG Rui-duo, LIU Yu-fei, WU Lan, LAMU Zhuo-ga, WANG Zhao-xiaORIGINAL CONTRIBUTIONS138-14116@@142-14517@@146-14918Changes of platelet parameters and platelet function in primary immune thrombocytopeniaBAI Jing, LIU Wen-junREVIEW150-15319Two cases of methylmalonic academia and two cases of propionic academia in neonatesPALATI Reheman, XU Wei, YAN Chao-yingCASE REPORT154-15720One case of giant corpus luteum cyst in neonateCAO Meng-han, WU Bao-yuCASE REPORT158-160 