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Variability of vesicant exposures. (A–C) High-magnification images of unexposed cultured corneal sections stained with hematoxylin and eosin; (D–F) corneas at 24 h post-CEES exposure; (G–I) corneas at 24 h after NM exposures; (J–L) corneas at 24 h after an in vivo exposure to SM.