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Images of woolly fibers stained with NPY (A), GAD (B), and SP (C) in the medial MSt (A, B) and GP (C). Note that NPY+ and GAD+ fibers (arrows), terminals, and cells (arrowheads) are evident in the medial MST (A, B) and SP+ fibers (arrows) and cells (arrowheads) are evident in the globus pallidus (C).
