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Representative photomicrographs of low-magnification views of Nissl stained brain sections of P rats (with or without alcohol drinking) infused with aCSF or NPY showing the position of cannula tip, length of probe, and central amygdaloid target regions (WW+aCSF, Water/Water + aCSF; WW+NPY, Water/Water + NPY; WE+aCSF, Water/Ethanol + aCSF; WE+NPY, Water/Ethanol + NPY). Scale Bar = 500 μm.
