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  • Title: [The establishment of prescription dose system for radiotherapy on accelerator's X-ray].
    Author: Ha H.
    Journal: Sheng Wu Yi Xue Gong Cheng Xue Za Zhi; 1999 Mar; 16(1):124-6. PubMed ID: 12553293.
    Abstract:
    This study aimed at how to calculate the prescription dose quickly and accurately. According to the conditions of radiotherapy and the dose of target point. RT-100 Radiotherapy Dosemetre, which was calibrated at the Industrial Health Institute of National Ministry of Health, was used to detect the dose distribution of special points in the phantom. Functions of dose distribution were fitted on the basis of the detected points. The dose ratio was introduced, and the calculation protocol indexed with Chinese for prescription dose was programmed. The doses of assumed points at the phantom which imitated various conditions of radiotherapy were detected. The detected doses were very close to the calculated doses, with the relative error less than 1.2%. It is concluded that dose of target point can be transformed to the prescription dose quickly and accurately with the method of dose ratio.
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