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Histopathology of ENM-exposed mouse lungs. Adult male B6C3F1 mice were given DM, MWCNTs (40 μg), or C60F (640 or 1,280 μg) by pharyngeal aspiration and were euthanized at days 1, 7, and 28 post-exposure for histological examination of the lung. Representative photomicrographs of H&E stained sections of mouse lung demonstrating pathology following particle exposure (n = 3). Scale bar = 100 μm.
