1977年美国FDA(食品与药品管理局)提出肿瘤诱发率为10-6的剂量为实际安全剂量(virtued safe dos,VSD)。要确定这样一个低诱癌率的剂量需要每组动物数达到3~5 x106只,这绝对难于完成。
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实际安全剂量 virtually safe dose ; Visual Safe Dose
安全剂量 [核] safe dose ; safety dose ; safe dosage ; dose safe
全剂量照射 full-scale irradiation ; irradiation full-scale
全剂量辐照 full -scale irradiation
环境致癌物的安全剂量 safe dose of environmental carcinogen
安全示踪剂量 safe tracer dosage
全身剂量 body dose ; whole-body dose ; dose body ; dose whole-body
全身辐射剂量 whole-body radiation dose
每日接受低剂量化疗群体比每日全剂量化疗的群体更易出现食管炎。
The group with low dosage of chemical therapy is more prone to esophagitis than those with whole dosage chemical therapy.
目的:研究小剂量口服罗盖全治疗慢性肾衰竭(CRF)继发性甲旁亢(SHPT)早期患者的疗效和副作用。
Objective:To study the curative effect and side-effect of low doses of oral calcitriol on early secondary hyperparathyroidism(SHPT) associated with chronic renal failure(CRF).
观察治疗后中毒症状消失时间,全血胆碱酯酶活力(CHE) ,用药剂量,不良反应及治愈时间。
The time of poisoning symptoms vanished, and CHE resumed, dosage of medicine, adverse reactions and the time of cure were observed and compared.
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