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. Author manuscript; available in PMC: 2009 Nov 25.

Published in final edited form as: Ann Otol Rhinol Laryngol. 2009 Oct;118(10):735–741. doi: 10.1177/000348940911801009

Fig 1 — Log-transformed mRNA expression ratios of (A) Procollagen type I, (B) Procollagen type III, (C) Matrix metalloproteinase (MMP)-2, and (D) MMP-9 in young (2 month), adult (9 month), and elderly vocal folds (18 month). Boxes indicate first and third quartiles. Whisker caps indicate smallest and largest non-outlier observations. Outlier indicated by °. Extreme indicated by . Median observations denoted by thick black line in each box. p values indicate a significant difference from (*) young and (**) adult vocal folds.

Inline graphic — Log-transformed mRNA expression ratios of (A) Procollagen type I, (B) Procollagen type III, (C) Matrix metalloproteinase (MMP)-2, and (D) MMP-9 in young (2 month), adult (9 month), and elderly vocal folds (18 month). Boxes indicate first and third quartiles. Whisker caps indicate smallest and largest non-outlier observations. Outlier indicated by °. Extreme indicated by . Median observations denoted by thick black line in each box. p values indicate a significant difference from (*) young and (**) adult vocal folds.