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Partial depletion of epithelium in mouse lungs by polidocanol (PDOC). A–D: hematoxylin and eosin (H&E) images of trachea (A and B) and airway (C and D) from animals without treatment (control). E–H: H&E images of trachea (E and F) and airway (G and H) from animals treated with 20 μl of 2% PDOC for 24 h.
