Methods:62 burn children were divided randomly into 2 groups. 30 cases in MEBT group and 32 cases in SD-Ag group. The efficacy of the two groups was compared.
方法：随机选择6 2例患儿分两组进行分析比较，即：30例采用烧伤湿性医疗技术治疗者作为治疗组（A组） ，32例采用传统烧伤“干燥疗法”治疗者为对照组（B组） ，观察两组治疗效果。
Methods Patients undergoing lumbar disc surgery were randomly divided into 2 groups.
方法：将行眼椎间盘手术的患者随机分为2组。
Methods: 30 eyes from 23 patients with open Angle glaucoma, who fitted the operative indications, were divided into 2 groups randomly.
方法：将23例(30只眼)具备手术适应证的开角型青光眼分为两组。
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