Objective To summarize the nursing experience of radical surgery on tongue cancer and prothesis of lower limb skin flap after transplantation, and to increase the cure rate of tongue cancer.
目的总结舌颌颈联合根治舌癌即时下肢肌皮瓣移植修复的护理经验，以期提高舌癌患者治愈率。
Objective: To investigate the indication, operative methods and correlative techniques of anus-preserving radical resection for lower rectal carcinoma by using stapling device.
目的探讨运用吻合器施行低位直肠癌保肛根治术的适应证、手术方法和相关技巧。
All degraded carboxymethyl chitosans show certain hydroxyl radical scavenging activity, but the antioxidant activity is stronger at lower molecular weight.
经降解得到的羧甲基壳聚糖均具有一定的羟基自由基清除活性，且分子量越小，其抗氧化性能越强。
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