目的探讨超声刀与电凝钩辅助胸腔镜下手术治疗纵隔肿瘤的临床效果。方法采用随机数字表法将90例纵隔肿瘤患者分为超声刀组和电凝组......

目的:探讨腹腔镜治疗输卵管间质部妊娠的手术技巧.方法:总结、分析腹腔镜下输卵管间质部妊娠改良手术患者的临床资料及随访资料.结......

Saline waters treatment has become increasingly important for drinking water supply in a greater part of the world. Howe......