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Effects of SM vapor on perlecan expression in the rabbit cornea. Histological sections, prepared from control (CTL) corneas and corneas 3, 14, and 28 days post-SM, were stained with an antibody against perlecan. Note changes in the distribution of perlecan in the basement membrane following treatment with SM. Antibody binding was visualized using a Vectastain Elite ABC kit. One representative section 4 rabbits/exposure group is shown. Ep, epithelium; S, stroma. Arrows, basal lamina.
