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. 2022 May 11;9:36. doi: 10.1186/s40658-022-00465-z

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Fig. 4 — Background variability (BV = SUV standard deviation/SUV mean) as a function of the acquisition time (PET100, PET50 and PET33) and the application of SubtlePET (PET50 + SP and PET33 + SP) for the 3 PET systems (DMI, D710 and IQ4) and the 3 experiments (E1: IEC phantom and contrast 5:1; E2: IEC phantom and contrast 2:1 and E3: IEC phantom w/microspheres and contrast 5:1)