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Fluorescent immunostaining for β4 integrin on rabbit central corneas after healing of the epithelial defect. Rabbit corneas were treated with s-PRGF, s-PRGF and NaHA, NaHA, or PBS (as a control) and were processed 7 and 30 days after cornea surgery. Control corresponds to a healthy rabbit cornea with no surgery. The W-H image shows a cornea processed 48 h after surgery without complete re-epithelialization. Magnification 200×.
