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Scatter plots indicating relationship between binding potential (BPND) values based on reference tissue methods and those based on blood sampling methods in positron emission tomography (PET) studies of normal Sprague-Dawley (SD) rats (n=4). (A) Simplified reference tissue model (SRTM) versus two-tissue compartment model (2-TCM). (B) Logan reference (Logan Ref) versus 2-TCM. (C) SRTM versus Logan graphical analysis (Logan GA). (D) Logan Ref versus Logan GA.
