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Retinal angiography with high-molecular-weight fluorescein-dextran. (A) Retina of the control group. No neovascularization was observed in the peripheral perfusion area. (B) Retina of the oxygen-induced retinopathy group. Decreased vascular plexus and vascular tortuosity was visible in the peripheral perfusion area. Original magnification, ×40; scale bars=500 µm.
