Objective: to investigate the error rate of electronic prescription in our hospital and discuss the necessity of inserting dosage limit module to intervene input error in pediatric hospital.

目的：调查我院电子处方录入错误的数量和分类，探讨儿科医院嵌入用量限制模块自动干预录入错误的必要性。

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That's a sizable chunk of an astronaut's career cap of 1, 000 millisieverts which many international space agencies use to limit the accumulated radiation dosage in space.

NPR: Astronauts Face Radiation Threat On Long Mars Trip