For fractionated radionuclide therapy protocols that involve large activities administered within short periods of time, there is a lack of guidance concerning how patient release calculations should be performed.

中文翻译：

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迭代确定分级放射性核素治疗的患者释放说明的解决方案。

对于涉及在短时间内进行大量活动的分级放射性核素治疗方案，缺少有关应如何进行患者释放计算的指导。