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  • Title: Syringe shape and positioning relative to efficiency volume inside dose calibrators and its role in nuclear medicine quality assurance programs.
    Author: Santos JA, Carrasco MF, Lencart J, Bastos AL.
    Journal: Appl Radiat Isot; 2009 Jun; 67(6):1104-9. PubMed ID: 19282196.
    Abstract:
    A careful analysis of geometry and source positioning influence in the activity measurement outcome of a nuclear medicine dose calibrator is presented for (99m)Tc. The implementation of a quasi-point source apparent activity curve measurement is proposed for an accurate correction of the activity inside several syringes, and compared with a theoretical geometric efficiency model. Additionally, new geometrical parameters are proposed to test and verify the correct positioning of the syringes as part of acceptance testing and quality control procedures.
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