Skin flap putrescence in 6 cases of control group conduced prosthesis shift or outside and lack of handle.
而对照组中有6例术后出现皮瓣坏死，导致假体移拉或外露，手感欠佳。
Methods: 123 children sepsis were divided into two groups randomly, 63 cases of observation group and 60 cases of control group.
方法：123例符合诊断标准的脓毒症患儿随机分为观察组63例与对照组60例。
Method: the ultrastructure of 20 cases of human breast carcinoma after neoadjuvant chemotherapy and the ultrastructure of 20 cases of control group were observed by transmission electron microscope.
方法：应用电镜观察20例新辅助化疗组和20例对照组乳腺癌细胞超微结构的变化。
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