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Representative photomicrograph of HE and NeuN staining of the neocortex (a), hippocampal CA1 (b) and anterior and posterior CA 3/4 sectors (c), and basal ganglia (d) showing numerous damaged neurons (black arrows) in a control animal and less necrosis in an animal treated with 20 ppm inhaled nitric oxide (iNO). Scale bars 90 μm (a), 180 μm (b), 180 μm (c), 90 μm (d). Cerebral tissue harvested 7 days post cardiac arrest
