P-glycoprotein function at the blood-brain barrier in humans can be quantified with the substrate radiotracer [11C]-N-desmethyl-loperamide.
William C. KreislJeih-San LiowNobuyo KimuraNicholas SenecaSami S. ZoghbiCheryl L. MorsePeter HerscovitchVictor W. PikeRobert B. InnisPublished in: NeuroImage (2010)