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Histological evaluation of mouse lungs. Representative pathological findings from lungs from each cohort stained with H&E and Massome's trichrome at ×100 (top line) and ×400 (bottom line) magnification. Scale bar, 100 µm. H&E, hematoxylin and eosin; AA, asiatic acid; LAA, low dose of AA (2 mg/kg/day); HAA, high dose of AA (8 mg/kg/day).
