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The mean percentage of label-retaining cells (%LRCs) at the anterior (A), mid-membranous (M), and cartilaginous (C) portions of the vocal folds are shown at Days 14, 28 and 56 post-injections. Error bars indicate ± 1 SD of the mean. No statistically significant difference in %LRCs was found between locations (A, M and C) along the vocal folds.
