Days of application
3 7 14 21
Reduction of wound size (%)
0 20 40 60 80 100
Control Collagen Collagen+HA
Days after application
3 7 14 21
Reduction of wound size (%)
0 20 40 60 80 100
Control Collagen+HA Collagen+HA+Tobra
Days after application
3 7 14 21
Reduction of wound size (%)
0 20 40 60 80 100
Control
Collagen+HA+Tobra Collagen+HA+Tobra+PDGF Collagen+HA+Tobra+bFGF