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Comparison of permeabilities (cm/sec) of [3H] biotin alone, in the presence of 50μM unlabeled biotin, B-ACV, B-R-ACV, and B-12HS-ACV across freshly excised rabbit corneas. Data represents mean ± standard deviation (n= 4-6). A P-value of less than 0.05 was considered to be statistically significant and denoted by asterisk (*).
