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Assessment of whole porcine lung, 7 hour decellularization. A: Native lung H&E stain (400× magnification). B: Native lung toluidine blue stain (400× magnification). C: Native lung TEM (2,650× magnification). D: Decellularized lung H&E stain (400× magnification). E: Decellularized lung toluidine blue stain (400× magnification). F: Decellularized lung TEM (2,550× magnification). H&E, hematoxylin and eosin; TEM, transmission electron microscopy.
