...最 优剂量和最优方案 随机双盲 组间的比较要用等效性假设检验或非劣效性假设检 验 剂量—反应对照(dose-response control) 将试验药物设计成几个剂量组，受试者随机地 分入一个剂量组中，这样的临床研究称为剂 量—反应对照，它可以包括安慰剂对照即...
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Below the threshold dose level, no adverse events above the response at the control level which is called the background response occur, then background response also occurs at the threshold level.
当剂量水平低于这个门阀剂量水平时，该剂量水平下的反应要比控制剂量下的反应即背景反应低，并且本文假定该门阀剂量水平下的反应与背景反应相同。
Results:The comet rate and comet length of each tissue DNA in test groups increased significantly(P<0.05)compared with control group. And it showed a good dose-response relationship.
结果：各照射剂量组小鼠组织细胞拖尾率和拖尾细胞尾长比对照组显著增加（P<0.05），并呈现良好的剂量反应关系。
Comparison of tie results of the high dosage groups of amiprophos and of MMS with that of the negative control (P<0.01) showed marked significance as well a dose response.
高剂量组及MMS与空白对照组比较，有非常显著意义（P<0.01），且有剂量效应关系。
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