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Effects of topical ocular or oral propranolol or placebo saline on VEGF levels in the retina at P14 (A) and P21 (B) and in the choroid at P14 (C) and P21 (D). Levels were standardized using total cellular protein levels. The open bar represents the RA groups and the solid bar represents the IH groups. Data are expressed as mean ± SD (n = 6 samples/group).
