Fig. 4From: Setting up a quantitative SPECT imaging network for a European multi-centre dosimetry study of radioiodine treatment for thyroid cancer as part of the MEDIRAD projectComparison of the dead-time factors (in arbitrary units—a.u.) measured using the methodology by Gregory et al. [24] and the MEDIRAD methodology. The corresponding fits using a non-paralysable detector model (Eq. (8)) are shown as red and black lines, respectivelyBack to article page