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Plot of the [18F]flutemetamol global SUVR versus [11C]PiB global SUVR values for NL and AD subjects (N = 23). Triangles indicate AD subjects and circles indicate NL subjects. Blue lines indicate the positivity thresholds for [11C]PiB (vertical) and [18F]flutemetemol. The six circles to the right of the vertical blue line are the PiB positive NL subjects.
