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Linear correlation analysis of SUVR (region-to-brain stem) −1 using data from scan time (a) 20–50 min (b) 30–60 min (c) 40–70 min (d) 50–80 min (e) 60–90 min with BPND values calculated through SRTM using the full 90 min scan time and brain stem (BS) as reference region. Hippocampus values shown in red.
