Fig. 3From: Spill-in counts in the quantification of 18F-florbetapir on Aβ-negative subjects: the effect of including white matter in the reference regionRelation between WM-SUVRCGM and GM SUVRs. Orange dots (and orange line) are for the CGM as a reference region (SUVRCGM), while the blue dots (and blue line) are for the WC as a reference region (SUVRWC)Back to article page