Absolute activity calibrations should be performed after a major service, as well as

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Quizplus · Accepted Answer

Well counter calibration is an historical term for a calibration more appropriately referred to as absolute activity calibration.Absolute activity calibration factors are used to convert pixel values into a measure of absolute activity per voxel.Absolute activity calibrations are performed only after all other calibrations have been performed and should be done quarterly or after major service.

Absolute Activity Calibrations Should Be Performed After a Major Service