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Prenatal treatment with NAC protects against airspace enlargement. A: Representative H&E images of PD14 TSK and control mice treated with high dose NAC or water from time of conception. Preservation of airspace architecture is evident in the TSK lung. B: Morphometric analysis of airspace size in TSK and control mice treated with NAC or water. Ctrl-oral water treatment, NAC-NAC treatment, **P < 0.001. Images all captured at ×20 magnification.
