Research Article

Adipose-Derived Mesenchymal Stem Cells in the Regeneration of Vocal Folds: A Study on a Chronic Vocal Fold Scar

Figure 21

Density of hyaluronic acid in the superficial lamina propria (SLP). Normal = normal/control group, control = scarred/control group, stem = stem cell group, and hyaluronan = hyaluronan group.