1The effect of epidural analgesia on serum prolactin concentration during labor period355-3562Clinical study on labor pain relief by patient controlled analgesia357-3583Clinical study on epidural analgesia for parturient delivery359-3614Efficacy of subarachnoid morphine for labor analgesia361-3625Expression and purification of hybrid genes of protective antigens of plasmodium falciparum in non-fusion system365-3676Huatuo reconstruction pill prevents thrombosis and microcirculation disorders in experimental animals368-3707Influence of growth and T lymphocytic transformation rate in rat fed with selenium-rich rice371-3728Study on the GBV-C/HGV heterogeneity in guangdongFu Yongshui, Cao Kaiyuan, Lü Ling373-3749Effects analysis of Wang tube sperm separating system in practice375-37610A study on the association between Epstein-Barr virus and recurrent aphthous ulcerZhu Yueguang, Zhao Huating, Li Ma377-37811Correlation between insulin resistance and TNF-α in elderly patients with hypertension and coronary heart disease379-38012Preparation and bioactivity assay of LAK cell from umbilical blood381-38213Phenotypic analysis of peripheral blood lymphocytes in patients with systemic lupus erythematosus383-38414Treatment of high risk patients of benign prostatic hyperplasia by transurethral electrovaporization-ablationRong Weichao, Chen Hui385-38615Treating liver carvernous angioma by injecting sclerotic agent into hepatic arteryXu Longde, Luo Pengfei, Shao Peijian387-38816Significance of serum pyruvate kinase activity in liver cirrhosisYan Zhiqiang, Zhao Yingheng391-39217Comparision between the dry chemistry method and the tarbidimetric method in measuring protein concentration in cerebrospinal fluidLi Yunxi, Fan Jinjin394-39518Efficacy of treating reflux esophagitis by combining cisapride with Wu Bei SanChen Peiqiong, Chen Hui, Huang Shuping435-436 