A newly developed rapid blackening solution for steel at room temperature is introduced. The film prepared with such solution was dense in structure, high in ad
目的系统性评价经尿道激光与传统电切术两种手术方式治疗非肌层浸润性膀胱肿瘤的安全性及疗效。方法选用并详细搜索PubMed、Scopus、Web of science和Cochrane library的所有比较经尿道激光与传统电切术治疗非肌层浸润性膀胱肿瘤的临床文章,包括随机对照实验、回顾性研究及前瞻性队列研究。结果共9篇文章,包括4篇随机对照实验、4篇回顾性研究及1篇前瞻性队列研究纳入该次分析中。总