Enhanced binding of metabotropic glutamate receptor type 5 (mGluR5) PET tracers in the brain of parkinsonian primates. - Rosario Sanchez-Pernaute; Ji-Quan Wang; Darshini Kuruppu; Lei Cao; W. Tueckmantel; A. Kozikowski; Ole Isacson; Anna-Liisa Brownell (NeuroImage, 2008)