the specific [ 3h ] qnb binding and high-affinity uptake of [ 14c ] choline in 8 brain regions ( cerebral cortex , hippocampus , hypothalamus , thalamus , striatum , midbrain , cerebellum and brainstem ) after repeated administration of dfp and atropine to guinea-pigs were simultaneously measured .
C0025462
midbrain
C0006121
brainstem