Fig. 1From: First in human evaluation of [18F]PK-209, a PET ligand for the ion channel binding site of NMDA receptorsTransaxial, coronal, and sagittal views of MR images (a) and averaged PET images from 4.25–70 min for the test scan (b) and retest scan (c) of subject 1. Activity is expressed in kBq · mL−1Back to article page