1Study on the Repeated Application Situation of Pulmonary Surfactant of Newborns with Respiratory Distress Syndrome and its High Risk FactorsLIU Yan-wei, DONG Shu-hong639-6412Effect of Hydrogen Sulfide on the Expression of Cytokines in Renal Tissue of Patients with Urinary Sepsis642-6443Clinical Analysis of Vaginal Fluid FFN and Chorioamnionitis in 140 Patients with Premature Rupture of MembranesJiang Hong-mei648-6494Correlation of Percutaneous Oxygen and Carbon Dioxide Partial Pressure Monitoring Value with Arterial Oxygen and Carbon Dioxide Partial Pressure652-653,6565Difference of Clinical Effect Between Laparotomy and Laparoscopy Assisted Vaginal HysterectomyZHANG Li-hong654-6566Discussion of Disposable Ball Sac Cervical Dilator in Planning Delivery657-6587Comparative Study of the Curative Effect and Safety of Laparoscopic Minimally Invasive Surgery and Traditional Open Operation in the Treatment of Cryptorchidism in ChildrenXIAO Ya, LUO Xue-song, YU Zheng-bo672-6748Study on the Relationship Between Homocysteine, Low Density Lipoprotein and Acute Myocardial InfarctionFANG Qi-shi678-6809Cost-effectiveness Analysis of Drug Combination and Single Drug in the Treatment of Cough Variant Asthma in Children682-68410Investigation of Cancel of Hepatitis B Surface Antigen ELISA Border Area Setting After Nucleic Acid Test696-69811Application Value of Combined Detection of Four Indicators of Hepatic Fibrosis and Total Bile Acid in the Diagnosis of Liver CirrhosisLI Yang-cheng, HE Zhi-jun, ZHU Xue-lian699-70012MRI Features of Granulomatous Mastiffs and Analysis of its Misdiagnosis703-70513Synergy and Review of National Essential Medicine System and Medical and Health System Reform710-712,71414Detection of Lactose Intolerance in Children with Diarrhea in Dongguan City and Analysis of its CausesXU Bing-yan, SU Xiao-hua, HUANG Hui-ping716-71715Application of age Difference Differentiated Empathy Nursing Method in Maintenance Hemodialysis Patients720-72216Phenotypic Detection of Circulating Tumor Cells in Different TumorsWANG Hai-yan, YAO Jia, TANG Xiao-kui735-73917Research Progress of Microsurgical Anatomy and Clinical Application on Far Lateral Suboccipital ApproachCHI Jing-yang742-74418Study on Timing and Frequency of Nasal Endoscopic Intervention for Acute Exudative Radioactive Rhinitis745-746,封3 